Inversion of DNA strands is the replication mistake that is most likely to occur in the resultant DNA strand.
What does DNA replication inversion entail?Inversions. When a chromosome splits in two, the resultant fragment of DNA is reversed and reinserted into the chromosome, causing an inversion. The chromosomal breaks may or may not result in the loss of genetic material.
What impact does DNA inversion have?Meiosis structural issues can result from inversions, such as certain pericentric inversions. A breakpoint can also change the expression of a gene or stop an open reading frame. The results might be harmful.
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Which of the following mutations would you expect to have the greatest effect on a living cell?
A)A mutation that changes a single base in a region of noncoding DNA
B)A mutation that changes the third letter of one of the three-base "words" in a particular gene
C)A mutation that deletes one base in the middle of a gene
C) A mutation that deletes one base in the middle of a gene would likely have the greatest effect on a living cell. This type of mutation can disrupt the reading frame of the gene, potentially altering the amino acid sequence of the protein it codes for and altering its function.
A mutation in a non-coding region of DNA would not have as much of an impact on a living cell as it would not affect the production of a protein. A mutation that changes one base in a codon would also have an effect, but it could be less severe than a frameshift mutation.
A gene is a specific sequence of DNA that codes for a specific protein. Proteins are important molecules that carry out various functions in the cell, such as catalyzing reactions, replicating DNA, responding to stimuli, and transporting molecules across cell membranes. The sequence of a gene is read in groups of three bases, called codons, which code for specific amino acids that are used to build the protein.
A mutation is a change in the DNA sequence that can occur spontaneously or be induced by environmental factors. Some mutations have no effect on the function of the protein, while others can alter its structure and function.
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how do water molecules stick together
Suppose that in a day Nigel can make three placemats or one gallon of maple syrup and Pauline can make two placemats or two gallons of maple syrup. Which of the following terms of trade would be mutually beneficial for Nigel and Pauline? - Nigel trades one placemat for 1/2 gallon of maple syrup from Pauline. - Pauline trades one placemat for 1/2 gallon of maple syrup from Nigel. - Nigel trades one placemat for two gallons of maple syrup from Pauline. - Pauline trades one placemat for two gallons of maple syrup from Nigel - Nigel trades one placemat for 1/4 gallon of maple syrup from Pauline.
The following terms of trade would be mutually beneficial for Nigel and Pauline : Nigel trades one placemat for 1/2 gallon of maple syrup from Pauline.
This is because they are only mutually advantageous in this case while engaging in trade. Because trading options 2,4 will not be profitable. Option 3 will benefit Nigel, and even Option 5 Trade will not be as profitable as Option 1.
Trade conditions are mutually beneficial as long as they are between the opportunity costs of the two nations. Any amount of medication higher than 1/3 but less than 1 traded for 1 cotton shirt, for example, would be mutually advantageous conditions of trade.
"An transaction is an exchange is an exchange; it is consensual and mutually beneficial," said the famous economist Frank Knight. This is probably the first lesson in economics that most students learn.
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Nigel and Pauline would benefit equally from the following terms of trade: One placemats is exchanged by Nigel for a half-gallon of maple syrup from Pauline.
This is because they are only mutually beneficial in this situation when trading. Because it will not be lucrative to trade options 2, 4, and 6. Nigel will earn from Option 3, while Option 5 Trade won't be as successful as Option 1 either.
As long as trade circumstances balance the opportunity costs of the two countries, they are advantageous to both parties. For instance, trading one cotton shirt for one dose of medicine would be mutually beneficial if the dosage was greater than 1/3 but lower than 1.
The renowned economist Frank Knight once remarked, "A transaction is a trade is an exchange; it is mutually advantageous and agreeable." Most students probably learn this concept of economics as their first lecture.
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What is one advantage of sexual over asexual reproduction?
A. Increased number of offspring
B. Faster reproduction
C. Large offspring
D. Increased variation of offspring
Answer: D. Increased variation of offspring
Explanation:
In sexual reproduction organisms reproduce offspring with a combination of traits from both parents, differing them from other animals of that organism. While in asexual reproduction, the parent splits their cells and created an offspring with the exact same genetic makeup of their parent.
When three atomic orbitals are mixed to form hybrid orbitals, how many hybrid orbitals are formed?
A. four
B. five
C. two
D. three
E. six
"When three atomic orbitals are mixed to form a hybrid orbital, 3 hybrid orbitals are formed. Here option D is the correct answer.
When three atomic orbitals are mixed to form hybrid orbitals, three hybrid orbitals are formed. The mixing of atomic orbitals is a process called hybridization. This process occurs when the electrons of the atom move around and form new orbitals with different energy levels and orientations.
The new hybrid orbitals are formed by the combination of the original atomic orbitals, and the number of hybrid orbitals formed is equal to the number of atomic orbitals that were mixed.
It's important to note that the number of hybrid orbitals depends on the number of atomic orbitals involved in the hybridization process. The hybridization of s and p orbitals can form sp, sp2, and sp3 hybrid orbitals, and so on.
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Match each cellular component with the correct cell type: prokaryote, eukaryote, or both.
Prokaryote
Prokaryotes have a nucleoid. Eukaryotes have a nucleus and organelles.
Both prokaryotes and Eukaryotes contain ribosomes, cytoplasm, and cell membrane.
Prokaryotes:Has a nucleoid - the irregularly shaped region which consists of the genetic material is known as the nucleoid. But the nuclear membrane is not present in the prokaryotic cells as it is present in the eukaryotic cells.
Eukaryotes:Has a nucleus - The genetic material in the eukaryotic cells is present in the nucleus. In prokaryotes, the genetic material is free in the cytoplasm. There is no distinct organelle separating the genetic material.
Has organelles - The eukaryotic cells consist of different cell organelles which are not present in the prokaryotic cells. The cell organelles present in eukaryotic cells include - Endoplasmic reticulum, Mitochondria, lysosomes, Golgi apparatus, nucleus, ribosomes, etc.
Both prokaryotes and Eukaryotes:Contains ribosomes - Both prokaryotic and eukaryotic cells are involved in protein synthesis. Hence, both cells contain ribosomes. The ribosomes in prokaryotes are in the 70s and the eukaryotes' ribosomes are in the 80s.
Has a cytoplasm - The material in the living cells which includes the cell organelles. The fluid part of the cell without the nucleus is known as the cytoplasm. The cytoplasm is present in both prokaryotic and eukaryotic cells.
Have cell membrane - Both the prokaryotic and Eukaryotic cells have a cell membrane.
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Match each cellular component with the correct cell type: prokaryote, eukaryote, or both.
Has a nucleoid
Has a nucleus
Has organelles
Contains ribosomes
Has a cytoplasm
Have cell membrane
Explain why B Thuringia sis is not a pathogen?
Explain why cancer is not a pathogen?
A pathogen is a type of microorganism that causes disease in its host.
B Thuringia sis is not a pathogen because it is a species of bacteria that is used as a biological pesticide to control certain pests, not a disease-causing organism.
Cancer is not a pathogen because it is not an infectious agent; it is a group of diseases caused by abnormal cell growth.
What do you mean by cancer?
Cancer is basically a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These are caused by changes in DNA of the affected cells. Symptoms vary depending on the type of cancer, but can include pain, fatigue, weight loss, and changes in appetite.
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LIMITED TIME, HELP PLEASE URGENT!!!!!!!
According to the biological species concept, what defines a species?
Select one:
The amount of physical similarities that a group of organisms have
in common
Whether two organisms can interbreed and produce healthy, fertile offspring
The number of similarities two organisms have in their DNA
Whether the fossil record shows a similar lineage of ancestry between organisms
Answer:
the amount of physics similarity that a group of organisms have in commonI WILL GIVE BRAINLYEST!!!!!!!Select the correct answer from each drop-down menu.
Arya is writing a research paper about physicist Milutin Milankovitch. Help Arya complete the following paragraph of her essay.
Milutin Milankovitch was an astrophysicist who was famous for his revolutionizing theories that helped us better understand our climate. He
explained how the concepts of obliquity, eccentricity, and precession affect the amount of heat Earth receives. Milankovitch also explained
how this heat affects the climate on Earth. The term obliquity refers the
✓of Earth's axis. Eccentricity (e) describes how
circular Earth's orbit is. If e = 0, the seasonal changes on Earth would be
✓Precession explains the
of Earth's axis as it traces an imaginary circle, which affects Earth's solstices over time.
Reset
Next
The Obliquity, Eccentricity and Precession of the earth deals with the orbit of the earth and it's effects on seasonal changes on the earth.
What is Obliquity, Eccentricity and Precession of the earth?Obliquity is the angle the Earth's axis of rotation is tilted as it travels around the Sun.
Eccentricity refers to the shape of the Earth's orbit around the Sun.
If e = 0 the seasonal changes on the earth will be milder and cooler.
Precession is the direction the Earth's axis of rotation is pointed.
Therefore, the Obliquity, Eccentricity and Precession of the earth deals with the orbit of the earth and it's effects on seasonal changes on the earth.
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Experiments should:
be consistent and free from blas.
never be repeated.
All of these choices are correct.
change each time they're performed.
Experiments should be consistent, free from bias, and change each time they're performed.
What do you mean by Experiments?
Experiments are a type of empirical study in which a researcher intentionally manipulates one or more variables to observe the effect on another variable. Experiments are commonly used in the sciences, such as physics, chemistry, biology, and psychology, to test theories and explain phenomena.
If the experiment is not consistent, then the results could be skewed or unreliable. Free from bias means that the experiment should be conducted as objectively as possible, without any personal preferences or opinions influencing the results. This ensures that the results are accurate and not affected by any outside influences. Finally, experiments should be changed each time they are performed in order to ensure the validity of the results. Changing the experiment allows for different variables to be tested, which can lead to more accurate results.
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What must be true about your parents if you have blood type O and neither of them have blood type O?
One of your parents must have blood type A, and the other must have either blood type B or blood type AB.
What is a blood type?
Blood type is a classification system used to describe the different types of blood based on the presence or absence of certain antigens on the surface of red blood cells. There are four main blood types: A, B, AB and O, and each blood type is either RhD positive (Rh+) or RhD negative (Rh-).
In this case, these blood types are the only ones that can combine to make all the other blood types. Blood type A is dominant, so at least one of the parents must have it for the child to have any of the other blood types. The other parent must have either blood type B or AB in order to create the other blood types.
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5. Use a graphic organizer to explain the roles
that absorption, radiation, conduction, and
convection play in warming the atmosphere.
Absorption is required for the biosphere to absorb solar radiation, while conduction and convection also play to warming the atmosphere due to the spread process of heat across the whole ecosystem.
What are the processes of radiation, absorption and convection?Absorption is the process by which energy is taken up by a material, typically through electromagnetic radiation that is converted into heat, a form of energy that can be used to power chemical reactions, while convection is the transfer of heat through a fluid, such
Therefore, with this data, we can see that convection, radiation and absorption are closely related to global warming.
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How do transporters and channels select which solutes they help move across the membrane?
Both channels and transporters discriminate between solutes mainly on the basis of size and electric charge.
Channels allow the passage of solutes that are electrically charged; transporters facilitate the passage of molecules that are uncharged.
Channels discriminate between solutes mainly on the basis of size and electric charge; transporters bind their solutes with great specificity in the same way an enzyme binds its substrate.
Channels will allow the passage of any solute as long as it has an electric charge; transporters bind their solutes with great specificity in the same way an enzyme binds its substrate.
Transporters discriminate between solutes mainly on the basis of size and electric charge; channels bind their solutes with great specificity in the same way an enzyme binds its substrate.
Transporters and Channels select which solutes they help move across the membrane by : Channels distinguish between solutes primarily based on size and electric charge; transporters bind their solutes with high specificity, similar to how an enzyme binds its substrate.
Transporters and channels are membrane proteins that mediate the transport of metabolites, water, and ions across biological membranes. Membrane transport proteins are important for maintaining homeostasis and ensuring cell survival intracellularly or during environmental stress.
Channels are membrane-spanning water-filled pores through which substrates passively diffuse along electrochemical gradients when regulatory gates are open. Transporters undergo cycles of conformational changes associated with substrate binding and dissociation on opposite sides of the membrane. Membrane proteins that cause selective permeability are called ion channels, and other proteins called active transporters create and maintain ion gradients. As the name suggests, ion channels have pores that allow certain ions to pass through the nerve cell membrane.
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A ball rolls 157 meters across the court in 68 seconds? What is the balls speed? Velocity?
The ball's speed is 2.3 m/s and its velocity is 2.3 m/s in the direction it is rolling.
What is the velocity of the ball, in terms of distance per time and direction?Velocity is a vector quantity that describes the rate of change of an object's position, including both its speed and the direction of its motion. To calculate the velocity of the ball, we need to know both the distance it traveled and the time it took to travel that distance.
In this case, the ball rolled 157 meters across the court in 68 seconds. To calculate the velocity, we divide the distance by the time, so 157 meters / 68 seconds = 2.3 meters per second.
It's important to note that the given information doesn't include the direction of the ball, so we can't know the direction of the velocity. We only know the magnitude of the velocity, which is 2.3 m/s.
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A scientist sets up an experiment to test which fertilizer has the best effect on increasing fruit size in a single variety of avocado trees. They grow one group of avocado trees using Fertilizer-A, one group using Fertilizer-B, one group using Fertilizer-C, and one group grown without any fertilizer.
All the avocado trees are given the same amount of water and sunlight, and they are all grown during the same period of time.
Which of the following is the independent variable in this experiment?
The type of fertilizer used
The size of the avocados
The amount of water, sunlight, and time
The amount of water only
An independent variable in this experimental study is the type of fertilizer used for the growth of avocado. Thus, the correct option is A.
What are Variables?A variable is anything which can change on its own or can be changed. In other words, a variable is any factor which can be manipulated, controlled, or measured in an experimental study.
An experimental inquiry typically has three main types of variables which includes an independent variable, a dependent variable, and a controlled variable.
In the study, where all the factors are kept constant and same for the growth of avocado trees. The independent variable is the type of fertilizer used in the experiment.
Therefore, the correct option is A.
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what role do transport epithelia play in osmoregulation of marine fish with bony skeletons?
Answer:
Transport epithelia play an important role in osmoregulation of marine fish with bony skeletons by regulating the movement of ions and water across the epithelial cells. This process helps to maintain the ionic balance between the fish's internal environment and the external environment. The transport epithelia also plays a role in regulating the osmotic pressure of the fish's body fluids, which helps to keep the fish's body fluids in balance with the surrounding environment.
Explanation:
An animal cell has just completed telophase. Which of the following would you expect to see?
a. an empty cell
b. chromosomes clustered at the poles
c. individual chromatids separating
d. formation of vesicles at the metaphase plate
e. formation of two genetically identical cell
An animal cell has just completed telophase. The following would be expected to see: formation of two genetically identical cells.
At telophase, the chromosomes begin to decondense, the spindle breaks, and the nuclear envelope and nucleolus regenerate. The cytoplasm of the mother cell divides to form two daughter cells, each containing the same number and type of chromosomes as the mother cell.
During telophase, the plant cell forms a cell plate that allows the two daughter cells to separate. In animal cells, cells are separated by pinching the cell membrane.
The final stage of mitosis, telophase, is characterized by cytokinesis, reorganization of the nucleus and nuclear envelope, loss of the mitotic spindle apparatus, and unwinding of chromosomes into chromatin.
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4. Plan an experiment that neurobiologists could use to show that an action potential travels faster along a myelinated axon than along a nonmyelinated axon.
An experiment that neurobiologists could use to show that an action potential travels faster along a myelinated axon than along a nonmyelinated axon is given below
Obtain two groups of neurons, one group with myelinated axons and another group with nonmyelinated axons.Stimulate the neurons in both groups with a electrical current of the same intensity and duration.Measure the time it takes for the action potential to travel the length of the axon in both groups.Compare the results and observe the difference in the time it takes for the action potential to travel the length of the axon in the myelinated group compared to the nonmyelinated group.What is the above experiment about?This experiment could be repeated multiple times with different intensity and duration of the electrical current, with different groups of neurons or with different kind of myelination.
Before conducting the experiment, it is important to ensure that the axons in both groups are of similar length, diameter, and overall health. This can be done by measuring the length and diameter of the axons under a microscope and by testing the neurons for any signs of damage or degeneration.
Therefore, The results would show that an action potential travels faster along a myelinated axon than along a nonmyelinated axon.
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-Which of the following is true about the human population? Group of answer choices: -The number of people on the planet is expected to go down in the next two decadesumber of people on the planet is expected to go down in the next two decades. -It has taken less and less time to grow the population by 1 billion people since the 1800s -The number of people on the planet has increased at a steady rate since the 1800s.
-The human population is expected to stay the same.
Since the 1800s, it has taken less and less time for the human population to increase by 1 billion people.
In terms of population, which of the following is accurate?People are a dynamic phenomena. A population's size, distribution, and makeup are always changing because population density is largely influenced by variables including immigration, birthrate, mortalityrate, and literacy rate. A significant barrier for a developing economy like India is the excessive population burden.
What exactly is a human population?The amount of people in a certain location is referred to as the "human population." The term "human population" simply refers to the total population of a region, which can be anything from a small town to the entire planet.
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HELP !!!!!!!!LIMITED TIME!!!!!!!!!!!!!!!
Two closely-related insect species are being discovered. Scientists
are focusing on how long it takes each to develop limb buds
following fertilization. What evidence of evolution is this an example
of?
Select one:
Embryological
DNA
Anatomical
Molecular
Answer:
Embryological
Explanation:
Question 31 Internal fertilization, leathery amniotic egg, and skin that resists drying are characteristics of O birds. O chondrichthyans. O nonbird reptiles. O amphibians. O mammals.
Internal fertilization, leathery amniotic egg, and skin that resists drying are characteristics of nonbird reptiles.
Internal fertilization most commonly occurs in terrestrial animals, although some aquatic animals also use this method. There are three ways to produce offspring after internal fertilization: oviparous, oviparous, and oviparous.
During the spawning stage, the fertilized egg is laid outside the female's body and develops there, feeding on the yolk that is part of the egg. This occurs in most bony fishes, many reptiles, some cartilaginous fishes, most amphibians, two mammals, and all birds. Reptiles and insects produce hard eggs, while birds and turtles produce eggs that have a high calcium carbonate content in their shells that makes them hard. These animals are classified as egg-laying.
Reptiles often have skin-covered eggs. This gives reptiles more protection than amphibians, whose eggs do not have a suitable shell but still require them to keep their eggs in a relatively humid environment. Examples of reptiles include snakes and lizards.
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The bacterium E. coli requires simple organic molecules for growth and energy-it is
therefore a:
A. photoautotroph
B. chemoheterotroph
C. chemoautotroph
D. photoheterotroph.
E. lithotroph
The bacterium E. coli requires simple organic molecules for growth and energy it is therefore a chemoheterotroph. Here option B is the correct answer.
The bacterium E. coli is a chemoheterotroph, which means that it obtains energy from the oxidation of organic molecules and requires an external source of carbon for growth. E. coli can use a wide variety of simple organic molecules as a source of energy and carbon, including sugars, amino acids, and fatty acids.
A photoautotroph is an organism that uses light energy to produce its own food and doesn't require an external source of carbon. A chemoautotroph is an organism that produces its own food using inorganic compounds as a source of energy and carbon.
A photoheterotroph is an organism that uses light energy to obtain energy, but it still needs organic compounds as a source of carbon. A lithotroph is an organism that uses inorganic compounds as a source of energy and carbon.
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what do your data tell about how the intensity of light affects the rate of photosynthesis performed by the plant? remember that a rate involves a change in amount over time. Does this answer make sense? Why or Why not?
The intensity of light affects the rate of photosynthesis performed as it rise from low light intensity to higher light intensity, the rate of photosynthesis will increase because there is more light available to drive the reactions of photosynthesis
What is photosynthesis?Plants and other living things use a process called photosynthesis to transform light energy into chemical energy that can later be released through cellular respiration to power the organism's activities. Light is necessary for photosynthesis, specifically for the light reactions.
The existence of the vast majority of life on Earth depends on photosynthesis. It is how almost all of the energy in the biosphere is made accessible to living things. All higher life forms on Earth consume photosynthetic organisms directly or indirectly because they are the primary producers that serve as the foundation of the planet's food webs.
The rate of photosynthesis will increase as you move from low light intensity to high light intensity because there is more light available to power the reactions of photosynthesis.
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PLS I NEED HELPPPP. create a food chain. choose the biotic factors from the list and move them onto the hotspots marked with circles.
Answer:
the insects will eat the leaves, the minnows will eat the insects,the trout will eat the minnows and the herons will eat the trout
please help mee
1. Which of the following would require the greatest number of calories?
a. heating 1 g of water from 10°C to 80°C
b. heating 10 g of water from 10°C to 40°C
c. heating 100 g of water from 10°C to 20°C
d. heating 1000 g of water from 10°C to 12°C
2. If a 10.0 g piece of metal required 100 cal to raise its temperature
by 20°C, what would you report as its specific heat?
a. 10 cal/g·°C
b. 200 cal/g·°C
c. 0.5 cal/g·°C
d. 2 cal/g·°C
3. Which of the following does not happen as the temperature of a gas
increases?
a. Molecules move faster.
b. Molecules have more collisions.
c. Kinetic energy increases.
d. Kinetic energy decreases.
4. The amount of heat in a substance depends on the _____ of the
molecules.
5. The unit for specific heat is _____.
6. A graph that shows how heat energy, temperature change, and phase
change are related is called a (an) _____.
The statement that would require the greatest number of calories is heating 1000 g of water from 10°C to 12°C. Thus, the correct option for this question is D.
What is Calorie?Calories may be defined as a type of measurement of the energy content of food. The body needs calories to perform its functions, such as breathing, circulating the blood, and physical activity.
According to the question,
m₁ = 1 g, ΔT₁ = 70.m₂ = 10 g, ΔT₂ = 30.m₃ = 100 g, ΔT₃ = 10.m₄ = 1000 g, ΔT₄ = 2.The formula of heat required is as follows:
Q = mcΔT.Since c is the same, so the product of mΔT will decide the number of calories required.
m₁ ΔT₁ = 70. m₂ ΔT₂ = 300m₃ ΔT₃ = 1000. m₄ ΔT₄ = 2000.Using the following equation:
Q = m × c × ∆T.According to the information provided in this question;
m = 10g
c = ?
∆T = 20°C
Q = 100cal
Using Q = m × c × ∆T
c = Q ÷ (m × ∆T)
c = 100 ÷ (10 × 20)
c = 100 ÷ 200
c = 0.5 cal/g°C.
Thus, the correct option for this question is C.
The action that does not happen as the temperature of a gas increases is the reduction in the kinetic energy between the molecules. Thus, the correct option for this question is D.
The amount of heat in a substance depends on the motion of the molecules. Since the temperature is defined as the measure of the average kinetic energy of molecules. The higher the temperature, the faster the motion of the molecules would be.
The unit for specific heat is calories or joules per gram per Celsius degree. A graph that shows how heat energy, temperature change, and phase change are related is called a phase change graph.
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LIMITED TIME, HELP PLEASE!!!!!!!!!!!!!!
Which statement is most consistent with the theory of natural selection?
Select one:
Organisms learn to adapt to changes in their environment in order to survive.
Organisms that are best suited to survive will pass their traits to their offspring.
Different species breed with each other to produce offspring with new helpful characteristics.
Changes in the environment cause mutations that help organisms.
Organisms that are best suited to survive will pass their traits to their offspring.
This is the answer.
LIMITED TIME, HELP PLEASE URGENT!!!!!!!
The climate shifts in an ecosystem, causing the rainy seasons to
become shorter and water to become more scarce overall. What is
the most likely outcome of this environmental change?
Select one:
No change in the equilibrium of each population
All populations will increase in size.
Some populations will expand while others decline.
All populations will decline in size.
Answer:
all populations will decline in sizeExplanation:
because of the scarce of water
animals will have to look for another home
hope this was helpful
Which leukocyte might you expect to find in higher quantities in a person experiencing allergies?
O neutrophil
O lymphocyte
O basophil
O eosinophil
Eosinophil finds in higher quantities in a person experiencing allergies.
A greater than usual level of eosinophils is called eosinophilia (e-o-sin-o-FILL-e-uh). White blood cells that combat sickness include eosinophils.
Most frequently, this condition is a sign of malignancy, an allergic reaction, or a parasite infection. Eosinophil levels might be high in tissues around an infection or inflammatory site or in your blood (blood eosinophilia) (tissue eosinophilia).
In samples obtained during an exploratory technique or in samples of some fluids, such as mucus expelled from nasal tissues, tissue eosinophilia may be discovered. Your bloodstream's eosinophil count is probably normal if you have tissue eosinophilia.
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One might find basophils in higher quantities in a person experiencing allergies, which means option C is the right answer.
White blood cells are the colorless particles present in Hemoglobin which fight against the foreign particles to prevent the person from diseases and infections. Allergy is any form of inflammation or abrupt change in body due to which some abnormal symptoms are felt. For example: rashes, nausea, sneezing etc. are some allergic symptoms. When body gets into contact with some other foreign particles, WBC release basophils which fight against these particles. Mast cells are the main players in the early phase of the allergic reaction. Neutrophils and eosinophils also increase in certain cases in allergic reactions.
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in prophase, ribosomal rna synthesis stops when the chromosomes condense, and as a result:
When the chromosomes compact during prophase, ribosomal rna synthesis ends, and the nucleolus vanishes.
Ribosomal ribonucleic acid (rRNA) is a non-coding RNA that is the principal component of ribosomes, which are required by all cellsrRNA is a ribozyme that is responsible for protein synthesis in ribosomes. Ribosomal RNA is transcribed from rDNA and then bound to ribosomal proteins to produce small and large ribosomal subunits.
The ribosome's physical and mechanical element that causes transfer RNA (tRNA) and messenger RNA (mRNA) to process and translate the latter into proteins is rRNA. Ribosomal RNA is the most common kind of RNA present in most cells, accounting for over 80% of total cellular RNA despite never being translated into proteins. Ribosomes are made up of around 60% rRNA and 40% ribosomal proteins by mass.
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Which of the following abdominal muscles is not a part of the anterior abdominal wall? a. quadratus lumborum b. rectus abdominis c. interior oblique d. exterior oblique
A muscle of the posterior abdominal wall is the quadratus lumborum. So, choice a is the right one.
The quadratus lumborum muscle, which is located dorsal to the iliopsoas and deep inside the belly, is a part of the posterior abdominal wall. This muscle arises from the pelvis to the lowest rib. This muscle, which originates from the iliac crest and inserts on the transverse processes of lumbar vertebrae one through five and the lower portion of the twelfth rib, is the deepest in the back.
As a result, this muscle extends the lumbar spine, stabilizes the lumbar region, can tilt laterally and can function as an accessory muscle for inspiration. Other muscles like the rectus abdominis, interior oblique, and exterior oblique form the anterior abdominal wall.
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