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Nikitich [7]
3 years ago
7

Can somebody help me on this

Biology
1 answer:
lana [24]3 years ago
3 0
D.
This is probably your best bet considering this has to do with both temperature and rainfall.
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Red blood cells exchange carbon dioxide for oxygen

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Explain what other steps need to be taken to demonstrate that each of these factors is needed for photosynthesis.
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An enzyme was isolated from digestive juices taken from the small intestine. an experiment was set up to test the ability of the
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1. Our results showed that test tube B contained end products of protein digestion, meaning that the isolated enzyme has the ability to break down protein. The end products of protein digestion include small polypeptides, dipeptides, and amino acids. In general, test tube B will contain the building blocks of proteins, which are the amino acids.

2. The two test tubes were placed in a hot water bath at 37oC. This is because the enzyme studied is a human enzyme and it works best at the human body temperature, which is approximately 37oC.
Enzymes are biological catalysts, which means that they accelerate chemical reactions. As a result, an enzyme's activity is greatly affected by temperature. Every enzyme, depending on each function and origin, has a specific range of ideal temperature conditions. If the temperature rises above the maximum accepted, then the enzyme denatures and loses its structure.

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Starch is a polysaccharide produced by plants, this means that starch is a carbohydrate. Given that starch is not a protein, it will not be digested by the enzyme. An enzyme digesting proteins, will not have any effect on carbohydrates.

4. The smaller molecules which are the result of the digestion happening in the digestive system are absorbed by the human body. More specifically, the products of protein digestion are absorbed by the intestine and then transported into the bloodstream. From the blood, they are then absorbed by other tissues.
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6 0
3 years ago
Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a
natta225 [31]

According to the research, the correct option is control. Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a <u>control</u>.

<h3>What are Experiments?</h3>

It is the process by which one or more variables are intentionally manipulated by carrying out actions aimed at discovering or verifying certain phenomena.

In this sense, its basis is in the manipulation of the variables that are considered relevant, the control of strange variables and the randomization of the rest.

Therefore, we can conclude that according to the research, the correct option is control. Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a <u>control</u>.

Learn more about Experiments here: brainly.com/question/27750242

#SPJ1

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Which of the following statements is true about the lithium and the helium atoms?
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B. <span>Lithium has a more protons, neutrons, and electrons.</span>
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