Science operates on the assumptions that natural causes explain natural phenomena, that evidence from the natural world can inform us about those causes.
1. The rules of nature define the orderly nature that exists.
Regularity, pattern, and structure are all used to describe the orderliness of nature.
2. We can understand nature.
We believe that by observing nature, we can learn about natural law.
3. Natural processes are the root of all phenomena.
Nothing that we observe is thought to be abnormal.
4. The acquisition of experience leads to the development of knowledge.
Gaining knowledge by watching. Every year, we watch the wildebeest herd migrate, so we predict that, based on their past behaviour, they will continue to migrate.
To learn more about assumptions of science click here:
https://brainly.com/question/28539828
#SPJ4
Why natural selection may not produce adaptations that perfectly match the environment?
First, selection can only affect the genetic variety that is now present. For instance, if there is no faster gene variant, a cheetah cannot evolve it. Second, the body must use the resources it already possesses.
What natural selection may not produce adaptations?Natural selection produces adaptation, i.e., a population that is predominately made up of creatures that are physically, behaviourally, and physiologically well-suited to live and reproduce in a particular environment.
The species is in danger of going extinct because of low genetic diversity, which makes the creatures susceptible to environmental changes like disease.
This is due to the decreased likelihood of organisms having favourable alleles in a tiny gene pool. Name a few elements that lower genetic diversity. Natural catastrophes. A lot of poaching.
Therefore, lack of essential genetic diversity Only the genetic diversity that is already present can be used for selection.
Learn more about natural selection here:
https://brainly.com/question/2725702
#SPJ4
First, selection can only affect the genetic variety that is now present. For instance, if there is no faster gene variant, a cheetah cannot evolve it. Second, the body must use the resources it already possesses.
What natural selection may not produce adaptations?Natural selection produces adaptation, i.e., a population that is predominately made up of creatures that are physically, behaviourally, and physiologically well-suited to live and reproduce in a particular environment.
The species is in danger of going extinct because of low genetic diversity, which makes the creatures susceptible to environmental changes like disease.
This is due to the decreased likelihood of organisms having favourable alleles in a tiny gene pool. Name a few elements that lower genetic diversity. Natural catastrophes. A lot of poaching.
Therefore, lack of essential genetic diversity Only the genetic diversity that is already present can be used for selection.
Learn more about natural selection here:
brainly.com/question/2725702
#SPJ4
Question 3 (20 points)
Louis Pasteur felt that liquid would spoil because there were particles in the air that could enter the liquid and grow there. He
performed experiments that led to a process that could keep food fresh for longer, a process called "pasteurization." He
boiled liquid broth and then placed it in flask that had an S-shaped neck. Air could enter the neck of the flask, but any
particles would be trapped in the neck. After a week, the liquid was still clear, showing that no growth occured. Pasteur then
broke the neck from the flask and let it sit for another week. This time, he saw that the broth became cloudy and spoiled. He
then knew that if boiling and preventing particles in the air to combine with food could preserve food (this process is called
pasteurization), then the particles in the air could cause food to spoil
What is Louis Pasteur's claim? Write about his evidences to support this claim. Lastly, write about his
reasoning why the evidences support his claim. Use the space below to type your answer.
The answers includes the following:
Louis Pasteur's claim was that the microorganisms present in the air were responsible for the spoilage which occurred in the broth.The evidence was that the boiled liquid broth which was put in a flask which had no air entering was still clear, showing that no growth occurred.What is Pasteurization?This is referred to as a heat treatment process that destroys pathogenic microorganisms in certain foods and beverage.
Pasteur was the one who first devised during his experiment in which no growth occurred hence no spoilage.
Read more about Pasteurization here https://brainly.com/question/21460912
#SPJ1
In metabolism, energy that is not used is?
Produced as heat. Energy is released during the breakdown of glucose, and the cell stores this energy as adenosine triphosphate, or ATP.
A tiny chemical called ATP provides cells with an easy way to temporarily store energy. Once created, ATP can be used as an energy source for other cellular operations. The phosphagen system, glycolysis, and the aerobic system are the three metabolic energy pathways used by humans to produce ATP. These pathways are made up of numerous chemical reactions that are catalysed by enzymes. The amount of energy used while at rest in a neutral environment, after the digestive system has been inactive for roughly 12 hours, is known as the basal metabolic rate. It is the speed at which one's metabolism resumes after "fasting" during sleeping.
Learn more about metabolism here:
https://brainly.com/question/29523568
#SPJ4
Label all the parts of the heart from frontal section
Heart anatomy
Pulmonary veinsBranches of right pulmonaryAortic semilunar valveRight atriumPulmonary veinsTricuspid valveMyocardiumEpicardiumPulmonary semilunar valveLeft atriumSuperior vena cavaPulmonary veinsPulmonary veinsPulmonary semilunar valvepapillary musclesTricuspid valveInterventicular septumInferior vena cavaThe heart is a vital organ that functions as a blood pump to meet the needs of oxygen and nutrients throughout the body. If the heart is disturbed, blood circulation in the body can be disrupted, so maintaining heart health is very important to avoid various types of heart disease.
The main function of the heart is to pump blood throughout the body and accommodate it again after the lungs have cleaned the blood. The heart provides and circulates blood oxygen throughout the body, and cleanses the body of metabolic products (carbon dioxide).
Learn more about Anatomy of heart here
brainly.com/question/29871313
#SPJ1
if you understand the opportunities and limitations of the fossil record, you should be able to determine whether the discovery of feathers on tyrannosaurus dinosaur species is consistent with the hypothesis that feathers are a synapomorphy for birds. explain.
While the fossil record does have limitations (habitat, taxonomic, tissue, temporal, and abundance biases), the presence of feathers is a non-avian dinosaur such as Tyrannosaurus is sufficient evidence to reject the hypothesis that feathers are unique to birds.
Tyrannosaurus is a huge theropod dinosaur genus. Tyrannosaurus rex (rex means "king" in Latin), sometimes known as T. rex or T-Rex, is one of the most well-known theropods. It roamed what is now western North America, on what was formerly an island continent called Laramidia. Tyrannosaurus ranged significantly further than other tyrannosaurids.
Fossils have been discovered in a range of rock formations dating from the Upper Cretaceous period's Maastrichtian epoch, 68 to 66 million years ago. It was the last known tyrannosaurid and one of the final non-avian dinosaurs to exist prior to the Cretaceous-Paleogene extinction disaster.
Learn more about tyrannosaurus dinosaur
https://brainly.com/question/29531973
#SPJ4
FILL IN THE BLANK Babies first demonstration of productive language occurs during the ______________ stage
A baby's first demonstration of productive language occurs during the babbling stage.
The babbling stage is the first major stage of the early childhood language acquisition process. This is the stage when young children begin to experiment with sound production. The only sounds produced at this stage are simple sounds and sounds that are not high enough to be considered words. Hence the name babbling phase. Babbling usually begins between 4 and 6 months of age and ends by the time the baby begins to speak all the words by 1 year of age. Toddler sounds at this stage are combinations of consonants and vowels, such as "dada" and "mama."
Learn more about babbling
brainly.com/question/29351070
#SPJ4
Cells A and B receive the same high levels of stimulation, but Cell A shows a lower level of activity relative to Cell B. A likely explanation for this fact is that Cell A
is defective.
is being laterally inhibited by other nearby cells.
has a higher resting level than Cell B.
is receiving input from the edge of a surface, while Cell B is receiving input from a portion of the surface away from the edge.
is being laterally inhibited by other nearby cells.
Cell A is laterally being inhibited by other neighboring cells.
What causes the charge differential between a neuron's interior and exterior?A space with a differential in electrical charge is said to have an electrical gradient. For instance, in nerve cells, there is an electrical gradient between the interior and exterior of the cell, with the interior being negatively charged (at about -70 mV) in comparison to the exterior.
What distinguishes the two types of cells that make up brain tissue?Neurons and glial cells are the two main cell types found in nervous tissue. The cells that transmit electrical signals for communication are known as neurons. Glial cells are support cells that keep the surroundings of the neurons in good condition.
To know more about Cell visit:-
https://brainly.com/question/30046049
#SPJ1
At one point in history, Florida was completely
Submerged in water. Use evidence to support a claim
about which material (wood, sea-floor sediments, ice)
would be the most useful in studying Florida's fossil
record.
Where does glycolysis take place in the living cell?
Cytoplasm is where glycolysis occurs in living cells. Glycolysis is the required process of breaking down all the glucose to produce energy reqired by the living cell.
What is Glycolysis?
Glycolysis is the metabolic pathway by which glucose is broken down into pyruvate, producing energy in the form of ATP (adenosine triphosphate) and NADH (nicotinamide adenine dinucleotide). It is the first step in cellular respiration, which occurs in the cytoplasm of cells and does not require oxygen.
Glycolysis is a 10-step metabolic process that converts glucose into energy in the form of ATP and NADH. It occurs in the cytoplasm and doesn't require oxygen.
To learn more about Glycolysis, visit: https://brainly.com/question/737320
#SPJ4
is it necessary to remove agar lid when doing uv experiments
It depends on the specific UV experiment being conducted. In general, UV light should be able to penetrate the agar lid to reach the samples underneath.
However, if the agar lid is too thick, it may significantly reduce the amount of UV light reaching the sample, affecting the results of the experiment. In these cases, it may be necessary to remove the agar lid to ensure adequate exposure to UV light.
It is important to carefully consider the specific conditions of the experiment and the properties of the materials being used when making decisions about whether or not to remove the agar lid.
To know more about UV light click on the link below:
https://brainly.com/question/23342892#
#SPJ11
What is the driving force that keeps blood flowing throughout all blood vessels?Select one:a. Volumeb. Densityc. Pressured. Gravity
Pressure is the driving force that keeps blood flowing throughout all blood vessels.
What is blood vessel?blood vessels is a channel that the body's blood circulates through. A network of capillaries, venules, arteries, and veins make up the blood vessels.
They create a circuit-like closed loop that starts and finishes at your heart. Your circulatory system is made up of blood vessels and heart vessels. About 60,000 miles of blood arteries make up your body.
Blood delivery to your body's organs and tissues is the role of blood vessels. They receive the oxygen and nutrition they need to function from the blood. Additionally, waste and carbon dioxide are removed from your organs and tissues by blood vessels.
Learn more about blood vessels here https://brainly.com/question/11763276
#SPJ1
What are the accessory organs of the digestive system function for each?
1. Salivary Glands: The salivary glands produce saliva, which is a mixture of water, electrolytes, mucus, and enzymes that helps to moisten food, break it down, and aid in digestion.
2. Liver: The liver produces bile, which helps to break down fat and absorb fat-soluble vitamins. It also helps to remove toxins from the body.
3. Pancreas: The pancreas produces enzymes that help to break down carbohydrates, proteins, and fats. It also produces the hormones insulin and glucagon, which help to regulate blood sugar levels.
4. Gallbladder: The gallbladder stores and releases bile produced by the liver, which helps to break down fat.
5. Intestines: The small and large intestines help to absorb nutrients from food and water, and expel waste from the body.
What is enzymes?
Enzymes are proteins that act as catalysts, speeding up chemical reactions in cells. They are essential for many biological processes, such as digestion and metabolism. Enzymes are very specific in their actions and work best under specific conditions, such as in a certain pH or temperature.
To learn more about enzymes
Here: https://brainly.com/question/1596855
#SPJ4
A piece of mrna has the code aug gaa ucu agg uag. Look at the table. Which amino acids are coded in this strand?.
The amino acids coded in this mRNA strand can be determined by matching the codons (the three nucleotides) with the corresponding amino acid listed in the genetic code table.
Based on the mRNA strand provided, the coded amino acids are Methionine (Met) - AUG, Aspartic acid (Asp) - GAA, Serine (Ser) - UCU, Arginine (Arg) - AGG, Stop codon (STOP) - UAG.
It is important to note that the genetic code table is universal, meaning it is the same for all organisms, and the codons are translated into the same amino acids across different species.
The genetic code is a set of rules that determine how the sequence of nucleotides in a piece of mRNA is translated into a sequence of amino acids in a protein. Each codon, or group of three nucleotides, codes for a specific amino acid.
To learn more about amino acids
https://brainly.com/question/28409615
#SPJ4
Answer: Methionine, Glutamic Acid, Serine, Arginine, STOP
Explanation: I think
What happens to the chloroplasts in the hypertonic solution, why do you think that happens?
Answer:
The chloroplasts gets bunched up in the middle
Explanation:
Hypertonic solutions cause the cell to enlarge and the chloroplasts get clumped in the middle. In a hypotonic solution, the chloroplasts spread out.
. cell are immortal due to the presence of the enzyme telomerase that continues to lengthen the ends of the telomeres (click to select) b. look similar to surrounding cells since these cells are genetically identical (click to select) c. appear as irregular shaped cells (click to select) d. have a fixed lifespan due to the length of the telomeres at the end of chromosomes (click to select) e. appear as small, regular-shaped cells (click to select) f. look different to surrounding cells due to large, dark nuclei (click to select)
The answer in the blanks provided is given with the statement below regarding Cells.
a. Cells are immortal due to the presence of the enzyme telomerase that continues to lengthen the ends of the telomeres of cancer cells.
b. Look similar to surrounding cells since these cells are genetically identical normal cells.
c. Appear as irregular shaped cells cancer cells
d. Have a fixed lifespan due to the length of the telomeres at the end of chromosomes normal cells
e. Appear as small, regular-shaped cells normal cells
f. Look different to surrounding cells due to large, dark nuclei Cancer Cells.
Learn more about Cells:
https://brainly.com/question/27833793
#SPJ4
loosely coiled fibers containing protein and dna within nucleus
Chromatin is the right response. protein and dna-containing loosely coiled fibers that make up the nucleus.
The term "chromatin" describes the DNA and protein mixture that makes up the chromosomes found in the cells of humans and other higher creatures. The enormous amount of DNA in a genome is packaged by many proteins, most notably histones, into a form that can fit inside the cell nucleus.
Chromatin The length of all the DNA in a cell, which ranges from 5 to 6 feet, must fit neatly inside the nucleus of a cell. The histone proteins are initially wrapped by DNA molecules to form nucleosomes, which are structures that resemble beads on a string. The fibrous substance known as chromatin is made up of condensed/gathered nucleosomes that have gone further.
To know more about Chromatin click here:
brainly.com/question/3186239
#SPJ4
given that the cytoplasmic membrane has a fluid dynamic nature, with phospholipids and proteins able to move about within the bilayer structure, what force or structure keeps the membrane from falling apart?
The hydrophilic and hydrophobic forces are the forces that keep the cytoplasmic membrane from falling apart.
According to the fluid mosaic concept, the plasma membrane is made up of a variety of components, primarily phospholipids, cholesterol, and proteins that move fluidly and freely in the membrane's plane. In other words, a membrane only represents a moment in a dynamic process where proteins and phospholipids are continuously slipping past one another. Phospholipids are the lipid molecules having hydrophilic head and hydrophobic fatty acid tails. These are responsible for holding the membrane together.
The plasma membrane not only establishes the boundaries of the cell but also gives it the ability to interact with its environment in a controlled way. Cells must be able to take in, expel, and exclude different chemicals in a controlled manner. They also need to be able to identify themselves and share information with other cells through communication.
To know more about plasma membrane, refer:
https://brainly.com/question/26684910
#SPJ4
a circular chromosome with lk=9995 is acted on by topoisomerase ii 5 times, what is the lk of the resulting chromosome?
9985 is the lk of the resulting chromosome .
Lk/ linking number is the topological property of DNA which is a is a sum of twists and writhes. When one strand of DNA turned around another strand is termed a twist while inter-coiling of the double helix is termed as writhe .For circular DNA/chromosome, the Lk remains zero or unchanged which is a sum of twists and writhes introduced is always equal to Lk. The linking number can be changed by breaking and rejoining of the strand using endonuclease enzyme like Topoisomerase. The Topoisomerase introduces a break in one or both DNA strands, after rotating the two DNA strands relative to each other, breaks in strand is filled by DNA ligase. Type II topoisomerase enzymes cleave the dsDNA ultimately changing the linkage number and convert a single positive supercoil into a negative supercoil. This cleavage by type II topoisomerase leads to the reduction in linkage number by two (-2) in a single step.
As in given problem,
the Topoisomerase acts five times on the circular chromosome the Lk will decrease by 10.
Hence, the final Lk for given chromosome after Topoisomerase activity will be 9985.
Learn more about chromosome
brainly.com/question/1596925
#SPJ4
Models are useful in biological research for which of the following reasons?
1. They may suggest experiments that can be performed to refine or test the model.
2. They provide a way to organize how we think about a problem.
3. They can help us see the larger picture by showing how the different components of a complex system fit together.
Biological model's are useful as they 1. They may suggest experiments that can be performed to refine or test the model.
2. They provide a way to organize how we think about a problem.
3. They can help us see the larger picture by showing how the different components of a complex system fit together.
How biological model's useful?A model in biology is a depiction of the structure and operation of a biological system, and it can be concerned with any level of life, from molecules to ecosystems. With the aid of models, we may verify our knowledge of specific systems and, in the case of accurate models, make predictions.
To comprehend systems and processes more fully, scientific models are used. Graphs created from research trials can be used to comprehend the system under study and forecast outcomes for future tests.
For more information on biological model's kindly visit to
https://brainly.com/question/28584322
#SPJ4
In biological research, models can be helpful for (all three)
1. They might recommend experiments that could be run to improve or evaluate the model.
2. They give us a way to arrange our thoughts when considering a challenge.
3. They can assist us in seeing the bigger picture by demonstrating how the various parts of a complicated system work together.
Biological models can be concerned with any level of biology, from molecules to ecosystems, and they depict the structure and operation of a biological system. With the aid of models, we can verify our knowledge of certain systems and, if the models are accurate, make predictions.
What is the importance of biological research?The study of heredity, both cellular and external, has profoundly affected man and given him a better knowledge of all living things, often greatly to his social and economic advantage. The better knowledge of physiology and disease has greatly lengthened man's life and eased his pain.
To know more about Biological research visit:
https://brainly.com/question/27235250
#SPJ4
Help! which role does the enzyme helicase play in dna replication?
A. cuts new dna strands away from old
B. brings in new nitrogenous bases
C. checks for mistakes in replication
D. unwinds the two dna strands
Answer:
D. Unwinds the two DNA strands.
Explanation:
Tell me if I'm wrong pls:)
in the __________ mode, the brain makes random connections in a relaxed fashion.
In the default mode, the brain makes random connections in a relaxed fashion.
Describe Default Mode in brain?The default mode network (DMN) is a network of brain regions that is most active when a person is not focused on the outside world and is instead engaged in internally focused thoughts, such as daydreaming, self-reflection, or mind-wandering. The default mode network is commonly referred to as the "me center" or "mind's eye" of the brain, as it is involved in generating internal mental experiences and representing self and others.
The default mode network is active during periods of rest and is suppressed when a person is engaged in external tasks that require attention and focus. The DMN is thought to play a key role in memory consolidation, creativity, and social cognition, among other functions.
Studies using functional magnetic resonance imaging (fMRI) have shown that the default mode network is composed of several brain regions, including the medial prefrontal cortex, the posterior cingulate cortex, the temporal parietal junction, and the hippocampus. These regions are all highly interconnected and show a coordinated pattern of activity that distinguishes the default mode network from other brain networks.
The default mode is a brain state that is characterized by low levels of external stimulation and a focus on internal thoughts, feelings, and experiences. This state is often associated with daydreaming, mind-wandering, and self-referential thinking.
During the default mode, different regions of the brain become more connected with each other, allowing for the generation of new ideas, connections, and insights. This mode of operation is thought to play a role in a variety of cognitive processes, including creativity, problem solving, and decision making.
In conclusion, the default mode is a state in which the brain makes random connections in a relaxed fashion, and it is associated with internal thoughts, feelings, and experiences. This mode of operation plays an important role in a variety of cognitive processes and has been linked to creativity, problem solving, and decision making.
To know more about stimulation visit:
https://brainly.com/question/28285166
#SPJ4
What is the functional unit of the kidney? What are the structures of this unit and its specific functions?
Answer:
The functional unit of the kidney is the nephron.
Explanation:
Each kidney consists of millions of nephron which plays a significant role in the filtration and purification of blood. The nephron is divided into two portions, namely, the glomerulus and the renal tubule and helps in the removal of excess waste from the body.
The functional component of the kidney is known as a nephron.
What is a nephron?The kidney's fundamental functioning unit, the nephron, filters blood and eliminates waste products, excess water, electrolytes, and other chemicals. It is essential for controlling blood pressure and hormone synthesis, as well as maintaining the body's fluid and electrolyte balance.
What a nephron's composition and purpose?The Bowman's capsule, proximal tubule, Henle loop, distal tubule, and collecting duct make up this structure. Larger molecules are prohibited from entering the nephron whereas smaller molecules can pass via the Bowman's capsule, which serves as a filter. The proximal tubule reabsorbs glucose and amino acids, and the Henle loop contributes to the development of a sharp ion concentration gradient. The pH balance and electrolyte composition of the blood are controlled by the distal tubule and collecting duct. The nephron controls the fluid, electrolyte, and acid-base balance in addition to filtering waste from the blood.
To know more about nephron, visit:
https://brainly.com/question/12307837
#SPJ4
What molecules were the end products in Miller and Urey's experiments?
The molecules were the end products of Miller and Urey's experiments were organic molecules such as amino acids.
Miller-Urey are two scientists who want to prove the origin of life on this earth. They conducted experiments to show how life was built from abiotic elements first.
In the experiment they mixed ammonia, methane and hydrogen into water and applied an electric spark to simulate lightning. Lightning is allegedly a factor forming life on earth. After the experiment the water is dark red which indicates the formation of organic molecules. So, the chemical compounds resulting from Stanley Miller's experiment are organic molecules such as amino acids, adenine, and simple sugars.
Learn more the origin of life at:
https://brainly.com/question/13743782
#SPJ4
a forest contains many plant species of medicinal value. these plants are harvested frequently, which has placed them at risk for extinction. what is the main reason to conserve these plant species? responses to decrease the oxygen level in the atmosphere to decrease the oxygen level in the atmosphere to maintain the biodiversity of the forest to maintain the biodiversity of the forest to increase the chance for the plant species to become invasive to increase the chance for the plant species to become invasive to maintain the levels of greenhouse gases in the atmosphere
The main reason to conserve these plant species is to maintain the biodiversity of the forest (option 3).
Biodiversity refers to the variety of different species and ecosystems that exist within an area. In this case, the forest contains many plant species of medicinal value, and their loss could have negative impacts on the overall biodiversity of the forest. By conserving these plant species, we can ensure that the biodiversity of the forest is maintained, which is important for maintaining a healthy and functioning ecosystem.
Conserving these plant species also has the potential to protect important medicinal properties, which could be valuable for future generations. Additionally, conserving biodiversity is also important for maintaining ecosystem services, such as water regulation, pollination, and soil stability, that are important for human well-being.
Learn more about Plant Species here:
https://brainly.com/question/23096022
#SPJ4
Complete Question:
a forest contains many plant species of medicinal value. these plants are harvested frequently, which has placed them at risk for extinction. what is the main reason to conserve these plant species?
1. to decrease the oxygen level in the atmosphere
2. to decrease the oxygen level in the atmosphere
3. to maintain the biodiversity of the forest
4. to increase the chance for the plant species to become invasive
5. to increase the chance for the plant species
6. to become invasive
7. to maintain the levels of greenhouse gases in the atmosphere.
How does Crispr CAS target specific sites?
When Cas9 cuts DNA, the cell often introduces random mutations when the cell re-attaches the cut ends of the DNA back together.
How is a specific region of the genome targeted by Cas9?This is made up of a brief segment of pre-designed RNA sequence, measuring only 20 bases, embedded in a larger RNA scaffold.The pre-designed sequence "guides" Cas9 to the appropriate region of the genome while the scaffold component binds to DNA.This guarantees that Cas9 enzyme performs a cut at the appropriate location in the DNA.
What function does PAM serve in CRISPR?PAM is a crucial targeting component that separates bacterial self-DNA from non-self DNA, protecting the CRISPR region from becoming targeted by the CRISPR-associated protease and being destroyed.
To know more about DNA visit:
https://brainly.com/question/316480
#SPJ4
All organisms begin life as a cell?
Answer:
Yes
Explanation:
Organisms begin as cells due to the cell theory it states all living things must come from a living cell
14. Which statement can you infer is true?
Light waves will travel through a glass window at roughly 3,000,000 mi/sec.
O Light waves will travel through a glass window at roughly 286,000 mi/sec.
O Light waves will travel through the ocean at roughly 300,000 mi/sec.
Light waves will travel through the ocean at roughly 140,000 mi/sec.
Statement that can be inferred which is true : Light waves will travel through glass window at roughly 286,000 mi/sec.
What are light waves?The speed of light was said to be critically examined by scientists have thoroughly examined and it is known to be expressed as constant value which is often denoted in equations by symbol c.
It is said not to be truly constant, but expressed in maximum speed in vacuum. The speed of light in km, is estimated to be almost about 300,000 kilometers per second, but it can be altered by changing media or with quantum interference. As 286,000 is close to 300,000, then this is the true statement.
To know more about light waves, refer
https://brainly.com/question/15033563
#SPJ1
What do Argo floats measure in the world's ocean currents? Select the two correct answers.(1 point)
Responses
rainfall
carbon dioxide
salinity
temperature
Answer:
temperaturesalinityExplanation:
Argo floats are autonomous underwater vehicles (AUVs) that are used to monitor the world's ocean currents. They are deployed in the ocean to measure various physical and chemical parameters, including temperature and salinity.
Temperature is a measure of the heat energy in the ocean. By measuring the temperature at different depths, scientists can track changes in the ocean's thermal structure and how it affects ocean circulation patterns.
Salinity is a measure of the amount of salt in the ocean. By measuring salinity at different depths, scientists can track changes in the ocean's water cycle, as well as its role in the global heat budget. These measurements can also be used to study the ocean's role in the global water cycle, as well as its impact on the Earth's climate.
Argo floats provide an important tool for understanding the complex oceanic processes that drive our planet's weather and climate patterns.
Argo floats measure in the world's ocean currents are Temperature and salinity. So, the correct options are C and D.
What are Argo floats?Argo floats are defined as autonomous underwater vehicles (AUVs) which is used to monitor the currents of the world's oceans that are deployed in the ocean to measure various physical and chemical parameters including parameters such as temperature and salinity are included.
By measuring temperature and salinity at different depths, scientists can track changes in the ocean's thermal composition and ocean's water cycle respectively. It also checks how this affects ocean circulation patterns.
Thus, Argo floats measure in the world's ocean currents are Temperature and salinity. So, the correct options are C and D.
Learn more about world's ocean currents, here:
https://brainly.com/question/15607774
#SPJ2
10. Why is it likely the Hox genes have played a major role in the evolution of novel morphological forms
The Hox genes have an impact on the growth of structures like limbs and feeding appendages in animal embryos. Consequently, changes in these genes or their regulation are likely to have significant effects on morphology.
An embryo is an animal's earliest developmental stage in which its basic structure emerges after an egg is fertilized. There are several stages of embryonic development: fertilization, blastocyst (development and implantation), and embryo.
The Hox gene is a highly conserved gene that controls the structure and body axis (head to tail) of an embryo as well as the region of the body plan. Fruit flies, humans, and other animals are examples of living things with Hox genes (the homeobox gene subset). When Hox genes are altered or controlled, it affects an embryo's morphology; These genes control limb shape and form as well as structures like an embryo's feeding appendages.
Know more about Hox genes here: https://brainly.com/question/16819317
#SPJ4
active transport of nutrients occurs when nutrients need to move from higher concentration to lower concentration.
Active transport of nutrients occurs when nutrients need to move from higher concentration to lower concentration. False. Active transport is locking against a concentration gradient from low concentration to high concentration.
The cell is the smallest unit of living things. The outermost part of the cell is called the cell membrane which limits the contents of the cell to the outside of the cell and is composed of 50 percent lipid and 50 percent protein. Because of this arrangement of cells, cells are permeable and selectively permeable, which means that air and certain substances dissolved in it can only pass through.
Transport through the cell membrane can be divided into two, namely passive and active transport. Passive transport is transport that does not require energy, while active transport is transport that requires energy. Active transport serves to maintain the balance within the cell because the cell moves solutes with high concentrations by pumping across the membrane against the concentration gradient. Then the substance will be removed from the cell from low to high concentrations so that homeostasis occurs in the cell.
Learn more cell membrane at:
https://brainly.com/question/15063581
#SPJ4