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What were the old models of the solar system?
What factors influence the gravitational forces between objects?

Answers

Answer 1

Older solar system models have evolved over time and among cultures, but some of the more well-known ones are geocentric theory and heliocentric theory.

The geocentric theory was popularized by the ancient Greek philosopher Aristotle, and it was later modified by the astronomer Ptolemy. According to this theory, Earth serves as the universe's center, with other heavenly bodies revolving around it.

The heliocentric theory, first proposed by the ancient Greek scientist Aristarchus, places the Sun at the core of the solar system. Astronomer Nicolaus Copernicus later improved the paradigm that is now accepted by science.

The following are some of the variables that affect how strongly things gravitate towards one another:

The gravitational pull of an object is inversely proportional to its mass.

Distance: The gravitational pull between two objects weakens with increasing distance.

An object's shape and the distribution of its mass within it can have an impact on the gravitational pull.

The gravitational constant, a fundamental law of nature, governs how strongly two objects at a given mass and distance are drawn together by gravity.

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Answer 2

1. The old models of the solar system:

The old models of the solar system were based on the belief that the Earth was at the center of the universe. One such model, known as the geocentric model, was proposed by ancient Greek astronomers such as Aristotle and Ptolemy. According to this model, the Earth was stationary and all celestial bodies, including the Sun, Moon, planets, and stars, revolved around it in circular orbits.

Another old model, known as the heliocentric model, challenged the geocentric model and suggested that the Sun, rather than the Earth, was at the center of the solar system. This idea was proposed by astronomers such as Nicolaus Copernicus and later supported by observations made by Galileo Galilei.

The acceptance of the heliocentric model revolutionized our understanding of the solar system and paved the way for further scientific discoveries.

2. Factors influencing gravitational forces between objects:

Gravitational forces between objects are influenced by several factors:

- Mass: The mass of an object directly affects the gravitational force it exerts. The larger the mass, the stronger the gravitational force. For example, the Earth has a larger mass than the Moon, so it exerts a stronger gravitational force on objects near its surface.

- Distance: The distance between two objects also affects the gravitational force between them. According to Newton's law of universal gravitation, the gravitational force decreases as the distance between objects increases. This means that the closer two objects are, the stronger the gravitational force between them. For instance, the gravitational force between the Sun and the planets is stronger when the planets are closer to the Sun.

- Gravitational constant: The gravitational constant (represented by G) is a fundamental constant in physics that determines the strength of the gravitational force. It is a fixed value and is the same throughout the universe.

- Distribution of mass: The way mass is distributed within an object can also influence the gravitational force it exerts. For example, if an object is more spread out or has a larger volume, the gravitational force near its surface may be weaker compared to an object with the same mass but a smaller volume.

Understanding these factors is crucial for comprehending how gravity operates in the universe and how it shapes the motions and interactions of celestial objects.


Related Questions

Makayla is taking a guided tour of an estuary that is part of a nature preserve. The tour guide says that the estuary has much more flounder than any other species of fish, and Makayla thinks this must mean that the ecosystem is unbalanced. What is the BEST explanation of why she is wrong? *ANSWER IS C* *INTEFERING*

A.
Ecosystems in nature preserves are always balanced because they are protected.

B.
Every marine ecosystem has one fish species that is an apex predator of the others.

C.
Interference competition and varying population sizes help balance ecosystems.

D.
Estuaries lack the intraspecific competition that causes unequal population sizes.

Answers

Interference competition and varying population sizes help balance ecosystems. Option C is correct.

This is the best explanation of why Makayla is wrong. While it may seem like an abundance of one species means the ecosystem is unbalanced, this is not necessarily the case. Interference competition, where individuals of the same or different species compete for resources, can help to balance the ecosystem by regulating population sizes. Additionally, the size of populations can naturally vary over time due to factors such as environmental conditions, predation, and disease. Therefore, an ecosystem with a large population of one species does not necessarily indicate an imbalance. Option C is correct.

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Yosef is studying the ocean floor and the technology used in marine science research. How would Yosef BEST describe the contributions submarines have made to our understanding of marine science?

A.
Submarines proved Archimedes’ law of buoyancy.
B.
Submarines made it possible to predict earthquakes.
C.
Submarines made it possible to predict tsunamis.
D.
Submarines allowed for the discovery that the plates of the ocean were spreading apart.

Answers

Yosef BEST describe the contributions submarines have made to our understanding of marine science as, submarines allowed for the discovery that the plates of the ocean were spreading apart. Option D is correct.

Submarines have greatly contributed to our understanding of marine science through their ability to explore the depths of the ocean. The discovery that the plates of the ocean were spreading apart was made possible by the use of submarines to study the ocean floor. Submarines have also been used to study marine life, geology, and the chemical and physical properties of the ocean. They have allowed scientists to collect data and samples from areas that would be difficult or impossible to study using traditional methods, leading to new discoveries and insights into the ocean's complex systems. Hence, option D is correct.

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Mark and Nancy both take three measurements of the length of a pencil that is 15.1 cm. Mark records 15.0, 15.0, and 15.1 cm. Nancy records 15.1, 15.2, and 15.2 cm. Which of the following statements is true about Mark and Nancy's measurements?
A. Mark's measurement is more precise.
B. Nancy's measurement is more accurate.
C. Mark's measurement is more accurate.
D. Both sets of measurements are equally accurate and precise.​

Answers

The true statement on Mark and Nancy's measurements is D. Both sets of measurements are equally accurate and precise.

How accurate are the measurements ?

The closeness of a measurement to its exact value is known as accuracy, while the degree of reproducibility or repeatability pertains to precision. Mark and Nancy's measurements closely mirrored the fundamental value of 15.1 cm; however, Mark deviated slightly below while Nancy stood above it.

Their sets of measurements are similar in this regard, thus rendering them equally accurate. Notably, their range of values displays a counterpart pattern with Mark's readings differing by just 0.1 cm and that of Nancy ranging from 0.1-0.2 cm. Hence, both sets share a similar level of precisions too.

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explain how commensalism help shape biodiversity​

Answers

Commensalism is a symbiotic relationship between two organisms where one organism benefits and the other organism neither benefit or harmed.

Thus, commensalism helps in shaping biodiversity by providing shelter by creating microhabitats that support a diverse range of organisms. It also facilitates the dispersal of organisms to new locations. For example, many animals use other organisms for transportation.

Commensalism leads to evolution between species. When one organism evolves to exploit a new habitat, other organisms also adapt to the new changes which also lead to increased resource availability. When some barnacles attach to the shells of sea turtles, the food also become available to other organisms that feed on the barnacles.

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Answer:

The commensal relation is often between a larger host and a smaller commensal. The host organism is essentially unchanged by the interaction, whereas the commensal species may show great morphological adaptation. This relationship can be contrasted with mutualism, in which both species benefit.

Explanation:

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Why lemurs, lorises and bush babies are considered descendants of the earliest primates?

Answers

Answer:

Lemurs, lorises, and bush babies are considered descendants of the earliest primates because they share several key characteristics with the earliest known primates that lived over 55 million years ago. These characteristics include:

1. Grasping hands and feet - These primates have opposable thumbs and big toes that enable them to grip branches and move through trees more easily.

2. Forward-facing eyes - This feature provides depth perception and better vision for hunting and avoiding predators.

3. Large brains - Compared to other mammals of similar size, primates have larger brain-to-body size ratios, which may have contributed to the development of complex social behaviors.

4. Nails instead of claws - Most primates have flat nails on their fingers and toes instead of curved claws to aid in gripping and manipulating objects.

5. Arboreal lifestyle - The earliest primates were tree-dwellers, and lemurs, lorises, and bush babies are all adapted to life in the trees, with long limbs and flexible joints that allow them to move quickly and efficiently through the branches.

For these reasons, scientists believe that lemurs, lorises, and bush babies share a common ancestor with the earliest primates and are often referred to as "prosimians," which means "before monkeys."

Can someone help me please


With your on words describe a situation between 2 people and then rephrase to show empathy

Answers

Situation: John is angry with his friend David for forgetting his birthday.

Rephrased with empathy: John might be feeling hurt and disappointed that David forgot his birthday.

The outer/inner membranes of a chloroplast do not absorb photons for the _____

Answers

Answer:

The outer/inner membranes of a chloroplast do not absorb photons for the photosynthesis process.

Explanation:

The main role of the outer membrane of a chloroplast is to act as a protective barrier, regulating the entry and exit of molecules into and out of the chloroplast. The inner membrane, on the other hand, plays a crucial role in regulating the transport of molecules between the cytosol and the stroma of the chloroplast.

Photosynthesis, which involves the conversion of light energy into chemical energy, takes place in the thylakoid membranes located inside the chloroplasts. These thylakoid membranes contain chlorophyll pigments that absorb photons of light, initiating the process of photosynthesis.

Which is a function of the cell membrane?
Operforms photosynthesis
O controls what enters and leaves the cell
O produces proteins
O provides energy to the cell

Answers

Answer:

controls what enters and leaves the cells

Answer
Controls what enters and leaves the cell
Or b:)

Hope this helps

Brainlist pls

Which of these might be true of this particular behavior? Select all the correct answers. This could be an expression of social dominance. These animals may be competing for territory. These animals may be cooperating for the good of the herd. These animals could have a predator/prey relationship.​

Answers

The statemen that might be true of the particular behavior are;

This could be an expression of social dominance. These animals may be competing for territory.

What is Animal behavior?

Animal behavior  can be described as the study of how animals move in their environment as well as the actual way that the interraction is is been done socially.

This can emncompass the way they learn about their environment,  as well as the the way the  animal might achieve cognitive understanding of its environment. More also this counld encompass the act of competing for territory as well as the compition for food.

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A mother and father are both carriers of a recessive allele that causes a genetic disorder, but neither of the parents has the disorder.

Which is a correct Punnett square for this scenario, and what is the probability for that one of their children will also be a carrier for the disorder?

A
100% probability to be a carrier
B
50% probability to be a carrier
C
75% probability to be a carrier
D
50% probability to be a carrier

Answers

The probability for that one of their children will also be a carrier for the disorder is 50% probability to be a carrier. Option B is correct.

Correct Punnett square for this scenario is:

| | A | a |

---|---|---|---|

| A | AA| Aa|

| a | Aa| aa|

In this Punnett square, both parents are heterozygous carriers, which means they both have one copy of the normal allele (A) and one copy of the disease-causing allele (a). The probability of each child inheriting a copy of the disease-causing allele is 50%, and the probability of each child inheriting a copy of the normal allele is also 50%.

Therefore, the probability of one of their children being a carrier for the disorder is 50%. This means that the child will have one copy of the normal allele and one copy of the disease-causing allele, like the parents. However, the child will not have the disorder because they need two copies of the disease-causing allele (one from each parent) to express the disorder.

It is also important to note that this is a simplified model and that many genetic disorders are more complex than a simple dominant or recessive pattern of inheritance. Additionally, genetic testing and counseling may be necessary for couples who are carriers of genetic disorders to understand the risks of passing on the disorder to their children. Hence Option B is correct.

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When the codes hidden inside our genes come out to light as physical traits, we call it _____:
A. translation.
B. transcription.
C. replication
D. gene expression.

Answers

When the codes hidden inside our genes come out to light as physical traits, we call it D. gene expression.

What is gene expression?

Gene expression refers to the way genetic information present in genes get converted into functional proteins or RNAs. A series of intricate biochemical processes are triggered; firstly transcription rewires DNA into RNA followed by its translation into proteins.

Appropriate regulation of this process needs careful consideration since it has implications on proper development and functioning at both individual and organism levels.

Factors that influence proper regulation include cell types as well as environmental transitions together with developmental phases.

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21. Some fish, some dogs and some children are swimming in a bay. There are 40 legs in total, twice as
many heads as tails and more dogs than fish.
How many fish are in the bay?

Answers

If they are 40 legs in the bay and you are trying to find how many fish are in the bay fish don’t have legs so it would be 0

do you think there should be government regulation against known carcinogenic

Answers

Based on scientific evidence, exposure to carcinogenic substances can have adverse health effects and governments should take necessary actions to regulate the use and disposal of known carcinogenic substances.

Thus, many countries have implemented regulations on carcinogenic substances based on the scientific evidence, such as asbestos, tobacco, etc. to be used in industrial processes which limit the use or sale of certain substances.

Regulation can play a critical role in protecting individuals from the harmful effects of carcinogenic substances. The regulations on carcinogen substances have potential economic impact on industries that use these substances. However, these regulations should be based on the scientific evidence and the potential risks associated with it.

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Homeostasis describes the stable environment that the human body maintains, enabling the body to function properly. When an outside stimulus threatens to disrupt homeostasis, body systems work to bring things back into balance. Which of the following correctly describes systems working together to maintain homeostasis?

Answers

The neurological and endocrine systems keep the body in a state of homeostasis.

What are endocrine systems?

The endocrine system is a messenger system that consists of feedback loops of hormones delivered by an organism's internal glands straight into the circulatory system, thereby regulating distant target organs.

The hypothalamus is the neurological control center for all endocrine systems in animals.

There are three types of endocrine cells:

Alpha cells that secrete glucagon, Beta cells that secrete insulin, and Delta cells that block glucagon and insulin secretion

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How does the tree metaphor represent evolution 

Answers

The tree metaphor represents evolution by illustrating branching patterns, depicting relationships and common ancestors among species over time.


The tree metaphor is a widely used representation of evolution, showcasing how species have evolved over time through branching patterns.

In this metaphor, the tree's trunk symbolizes the common ancestor of all living organisms, and as you move up the trunk, branches diverge, representing the speciation events.

The branches continue to divide, indicating further speciation and diversification of species.

The leaves on the branches represent modern-day species.

This metaphor helps us visualize the relationships between different species, highlighting the shared ancestry and the progressive changes that have occurred during the course of evolutionary history.

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How can color be use in balance?

Answers

Answer:

Color balance changes the overall mixture of colors in an image and is used for color correction. Generalized versions of color balance are used to correct colors other than neutrals or to deliberately change them for effect.

Explanation:

explain how parasitism help shape biodiversity​

Answers

Answer: parasitism can help shape biodiversity by exerting selective pressure on host populations and by contributing to the diversity of parasitic organisms themselves.

Explanation: Parasitism is a form of symbiotic relationship where one organism, the parasite, benefits while the other, the host, is harmed. Parasites can have a significant impact on the biodiversity of an ecosystem by selecting and shaping the characteristics of their host species.

Parasites have evolved to infect specific hosts, which means that their survival and reproduction are tied to the existence of their host. As a result, parasites can exert selective pressure on the host population, favoring certain traits and characteristics that make the hosts more resistant or susceptible to infection.

This selective pressure can lead to evolutionary changes in the host population, which can lead to increased genetic diversity. For example, if a parasite infects a population of fish and selects for fish that have more effective immune systems, then those fish will be more likely to survive and reproduce, passing on their advantageous traits to their offspring. This can ultimately lead to the development of new species.

Furthermore, parasites themselves can be incredibly diverse. Studies have shown that parasites can account for a significant percentage of the total biodiversity in an ecosystem. By infecting different hosts and adapting to different environments, parasites can influence the evolution of their hosts and contribute to overall biodiversity.

Answer:

Parasitism, in common with competition, facilitation, and predation, could regulate BD-EF relationships. Parasitism affects host phenotypes, including changes to host morphology, behavior, and physiology, which might increase intra- and interspecific functional diversity.

Explanation:

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tissue is found on roots, stems, leaves, flowers, fruits, and seeds - it protects from injury, water loss, and infection

Answers

The tissue you are referring to is called the "protective tissue" or "protective layer", which is a type of plant tissue that is responsible for protecting the plant from various external factors such as injury, water loss, and infection.

There are different types of protective tissues found in different parts of the plant. For example, in roots, the protective tissue is the root cap, which covers the tip of the root and protects it as it grows through the soil. In stems and leaves, the protective tissue is the epidermis, which is a thin outer layer that provides a barrier against water loss and infection. The epidermis also often contains specialized cells such as trichomes or hairs that provide additional protection.

In flowers, fruits, and seeds, the protective tissue is often the outer layer of the structure, such as the skin of a fruit or the seed coat of a seed. These protective layers can help to prevent damage from physical impact, as well as protect the interior structures from dehydration and infection.

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how can the media spread false information. and biased information about the atlanta forest​

Answers

Through enticing headlines, a misunderstanding of a fake piece of information can be born about the Atlanta forest​.

What is fake news?

Fake news is information that is incorrect or misleading and is presented as news. Fake news is frequently intended to harm a person's or entity's reputation or to profit from advertising income.

The Atlanta forest is made up of many forested zones that are currently being proposed as an official national park.

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Part 1. Gene Cloning

1) How is a gene inserted into a plasmid cloning vector? Be specific, but be brief. No more than 2 (non-run-on) sentences please, and do not exceed this space.






2) A geneticist has transformed a vector with an ampicillin resistance gene into E. coli cells and plated those cells on media containing ampicillin. She comes back 24 hours later and sees only blue colonies on the media.
a) How does she know that the cells growing on the media were successfully transformed with the vector?





b) What does it mean that the colonies are blue?

Answers

In terms of genetics and genomics, cloning refers to the use of scientific techniques to create exact or nearly exact duplicates of an organism, cell, or DNA sequence.

Thus,  In most cases, the term "molecular cloning" refers to isolating and duplicating a specific DNA segment of interest for future research.

The term "cloning" refers to a laboratory procedure that creates millions or even billions of copies of a single molecule, most frequently DNA. In contrast to how the terms cellular cloning and organism cloning are used in reproductive genetics, this is not cloning.

We can investigate the molecules in the lab by amplifying or creating numerous copies of the DNA using molecular cloning.

Thus, In terms of genetics and genomics, cloning refers to the use of scientific techniques to create exact or nearly exact duplicates of an organism, cell, or DNA sequence.

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he point (x,y) lies on the circle with center (8,−4)
(
8
,

4
)
and radius 9. Which equation must be true?

Answers

Answer:

The equation for a circle with center (a, b) and radius r is:

(x - a)^2 + (y - b)^2 = r^2

Substituting the given values into this equation, we get:

(x - 8)^2 + (y - (-4))^2 = 9^2

Simplifying this equation, we get:

(x - 8)^2 + (y + 4)^2 = 81

Therefore, the equation that must be true for a point (x,y) to lie on the circle with center (8, -4) and radius 9 is:

(x - 8)^2 + (y + 4)^2 = 81

The equation that must be true is (x-8)² + (y+4)² = 81, which is the standard form equation of a circle with center (8,-4) and radius 9.

The equation of a circle with center (a,b) and radius r is given by:

(x-a)² + (y-b)² = r²

In this problem, the center of the circle is (8,-4) and the radius is 9. Substituting these values into the equation, we get:

(x-8)² + (y+4)² = 9²

Simplifying the equation, we get:

(x-8)² + (y+4)² = 81

Therefore, the equation that must be true for a point (x,y) to lie on the circle with center (8,-4) and radius 9 is (x-8)² + (y+4)² = 81.

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How long would it take an oxygen molecule in blood to travel 1 meter if it did so by diffusion rather than by being transported by the circulatory system

Answers

Here Is the Answer:

The distance that an oxygen molecule would travel by diffusion through blood vessels depends on various factors such as the concentration gradient, temperature, and the surface area of the blood vessels. However, on average, it is estimated that the diffusion rate of oxygen in blood is approximately 0.2-0.3 millimeters per second. Therefore, it would take around 3,333 seconds or 55.5 minutes for an oxygen molecule to travel 1 meter by diffusion alone. This highlights the vital role that the circulatory system plays in efficiently transporting oxygen throughout the body.

(02.04 MC) Whitney, Tania, and Arissa go swimming in a lake. Whitney breaks into a rash while her friends do not. Water quality tests show toxins in the lake. Whitney's doctor determines her skin medication combined with the toxin created the rash. Which statement best explains why Whitney got a rash from the water, but her friends did not?
O Whitney's medication has a synergistic relationship with the toxin in the water.
O Whitney's friends have better immune systems to avoid illness than she does.
O Whitney's reaction is chronic and is unlikely affected by the environment.
Whitney's medication has an antagonistic relationship with the toxin in the water.​

Answers

Answer:   Whitney's medication has a synergistic relationship with the toxin in the water.

Explanation: Synergistic means it works with more things, so when she was having the reaction with whatever. the lake water most likely had bacteria and other micro-organisms in it that caused her body to break out. but it could be the medication causing the rash, what if she didnt know she was allergic to the compounds of the medication? there is possibe answers to this but the one with synergistic is correct

Polar bears are not the only species affected by global warming in the Arctic ecosystem. Predict the impact of environmental change on the stability of this fragile ecosystem. (Choose 3)

Answers

Due to the global warming, the temperatures in the Arctic will continue to rise causing the ice sheets to melt and because of that polar bears and other animals might face extinction.

Global warming as well as other environmental changes in the Arctic are having a crucial impact on the stability of the fragile Arctic ecosystem.  As the Arctic continues to warm up, ice sheets will keep melting at an accelerating rate. This can possibly have a major impact on the ecosystem, as many of the species, including polar bears as well as the seals, depend on the ice for their survival.

As the Arctic continues to warm, the sea ice is melting at an accelerating rate. This can have a major impact on the ecosystem, as many species, depend on the ice for their survival.

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In fruit flies, wild eye is dominant over white eye and is sex-linked (X). In a cross between a white-eyed male and a pure breeding wild eye female, the phenotypic ratio for each sex would be?

Answers

The phenotypic ratio for each sex would be 2:1:1 in situation where they have 3 children.; Females 100% wild-eyed and Males 50% wild-eyed and 50% white-eyed.

What is meant by  phenotypic ratio?

Phenotypic ratio is defind as the proportion or ratio of different observable physical traits or characteristcs seen by a group of individuals, usually as a result of a genetic cross or breeding experiment.

In a cross between a white-eyed male and a pure breeding wild eye female, considering that thy  there are 3 wild-eyed offspring (2 females and 1 male) and 1 white-eyed offspring (1 male) in the Punnett square. The ratio will be 2:1:1 given that 2 females are wild eye, one male is white eyed and one  wild eye

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Whales are thought to have evolved from land animals similar to large otters as evidence of this whales have useless leg bones (structure c) that float inside their bodies these leg bones are _ structures

Answers

Answer: vestigial

Explanation: Vestigial structures are organs or anatomical structures that have been retained during evolution even though they have lost some of their ancestral functions.

Help please Name any two of the major types of chemical substances that are broken down in chemical digestion. For each substance, name an enzyme that breaks them down and what final product is actually absorbed by the body for use or storage.

Answers

Two major types of chemical substances that are broken down in chemical digestion are carbohydrates and proteins.

Thus, carbohydrates are broken down by amylase secreted by salivary glands and pancreas into simpler sugars, such as glucose, Glucose is then absorbed by the body for energy or can be stored as glycogen in the liver and muscles.

Carbohydrates and proteins are chemical substances breaking down during chemical digestion where proteins are broken down by proteases secreted by the stomach and pancreas into smaller peptides and amino acids. These smaller peptides and amino acids are further absorbed by the body and used for the synthesis of new proteins.

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How and why does vomiting too often, for example for sufferers of bulimia, damage the digestive system? Why are the stomach’s gastric secretions harmful, but the oral secretions are not?

Answers

If a person vomits too often who sufferers of bulimia, it damages the digestive system enzymes that help in digestion are forced to be released from the stomach.

Thus, frequent vomiting in individuals with bulimia that can cause significant damage to the digestive system. When a person vomits, the stomach acid and enzymes that help in digestion are forced to be released from the stomach causing irritate and damage to the lining of the esophagus, throat, and mouth.

The gastric acid and enzymes of digestive system present in a stomach when they come in contact with the tissues of the esophagus and throat causes inflammation, erosion, and scarring of these tissues causing pain and an increased risk of infection.

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What is coded by the codon UAA?

Answers

Answer:

its A

Explanation:

Three sequences, UAG, UGA, and UAA, known as stop codons, do not code for an amino acid. instead' they signal the release of the nascent polypeptide from the ribosome.

1 The four butterflies in the illustrations represent the offspring in the F, generation.
Which statement is best supported by the phenotypes of these offspring?
A The F, generation is composed only of males.
B Two of the offspring in the F, generation will not be able to reproduce.
C The F, generation is the result of a dihybrid cross.
D Two of the offspring in the F, generation will experience aspontaneous mutation.

Answers

The F1, generation is the result of a dihybrid cross as the four offspring consist of both recessive gene and dominant gene expression. Therefore, option "C" is correct. A cross between two different organisms of the same species having two different heterogeneous traits is known as a dihybrid cross.

The heterogeneous traits here referred to the dominant and the recessive alleles of the same traits. The F1 generation here is referred to as filial generation 1 in which the offspring are produced from the cross between both types of alleles.

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The smallest THHN/THWN copper grounded conductor that can be installed for a service is ___ when the ungrounded conductors are 1/0 THWN/THHN copper. Consider a mild steel specimen with yield strength of 43.5 ksi and Young's modulus of 29,000 ksi. It is stretched up to a point where the strain in the specimen is 0.2% (or 0.002). If the specimen is unloaded (i.e. load reduces to zero), the residual strain (or permanent set) is: A buyer makes and signs a written offer. The seller writes in one small change to the offer and signs it. This document is known as: Group of answer choices Lydia tosses two six-sided number cubes. List the sample space. What is the probability of Lydia rolling pairs of the same number What is the solubility in moles/liter for copper(I) iodide at 25 oC given a Ksp value of 5.1 x 10-12. Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!) Which scenario would likely have resulted in the fastest rate of speciation of the common chimpanzee and bonobo A cubical box 5 m on a side (exterior measurement) is made of concrete (k = 1.4 W/m K) and all sides measure 0.25 m thick. a) First neglect the two-dimensional aspect and find the heat flow for a 1C temperature differential if you consider only 6 unconnected plain 5m square walls have 0.25 thickness as the approximation to the cube. b) Using shape factors properly account for the 6 edge connections and 8 corner connections of the cubical box to find the heat flow for a 1C temperature differential. Question Number 1) What can Radian 6 use to determine what managers think they need, what they really need, and what is economically feasible? Wayne Company is considering a long-term investment project called ZIP. ZIP will require an investment of $143,130. It will have a useful life of 4 years and no salvage value. Annual cash inflows would increase by $80,800, and annual cash outflows would increase by $41,800. Compute the cash payback period. calculate the molar solubility of calcium hydroxide (for which ksp=4.68106ksp=4.68106) in a solution buffered at each phph. A lot of 30 watches is 20% defective. What is the probability that a sample of 3 will contain 2 defectives If acetone, rather than acetophenone, were reacted with phenylmagnesium bromide, followed by hydrolysis of the intermediate magnesium complex, what would the organic product be When isopropylbenzene (cumene) is treated with NBS and irradiated with UV light, only one product is obtained. Propose a mechanism and explain why only one product is formed. Step 1 0 Get help answering Molecular Drawing questions. Draw fishhook curved arrows and the products formed in the initiation step for this reaction. Include lone pairs in your answer. Object A is charged by friction using animal fur. Animal fur has a greater electron affinity than Object A. The charge on Object A would be Which data structure stores raster data as a matrix and writes the cell values into a file by row and column Which of the following would determine the marginal revenue product of an input used in a perfectly competitive output market? I. Dividing the change in total revenue by the change in the input II. Diving the change in the marginal revenue by the change in the output III. Multiplying the marginal product by the price of the output IV. Multiplying the marginal revenue by the price of the output A scientist is studying several areas along an elevation gradient. Her study involves prescribed burns (purposefully set, low-intensity fires) in the different areas, followed by a comparison of the type and abundance of organisms that colonize them over the next ten years. What scale best describes her study A neutron star is ________.the remains of a star that died by expelling its outer layers in a planetary nebula an object that will ultimately become a black holea star made mostly of elements with high atomic mass numbers, so that they have lots of neutron the core remnant of a star that died in a massive star supernova Fill in the blanks to complete the sentences. Spelling counts and some answers may be more than one word long. Blood flows from the segmental arteries in the kidney to the _____ arteries and then through the arcuate arteries. The wrinkles of the bladder are called _____. Name and describe the attributes of this Ancient Indus Sculpture.