The molecule shown here is commonly used for energy to do cell work. A student measures the cellular contents over time and notices the cell is showing an increase in this molecule. What hypothesis is supported by the evidence that this molecule is increasing within the cell? A) As thermal energy is absorbed, ATP levels will increase. B) As photosynthesis occurs in the cell, ADP levels will increase. C) As cellular respiration occurs in the cell, ATP levels will increase. D) As cellular respiration occurs in the cell, ADP levels will increase.

C) As cellular respiration occurs in the cell, ATP levels will increase.

Explanation:

Firstly, the molecule described in the question is Adenosine triphosphate (ATP). It is the energy currency in living cells. It is the usable form of energy to do work/activities by the cell. Ideally, the process by which all living organisms acquire this molecule (ATP) is called CELLULAR RESPIRATION.

Cellular respiration is the process by which living organisms break down food (organic molecule) to produce energy in form of ATP. This is why there is a saying that "Organisms eat to obtain energy". The food eaten is actually broken down in order to release the stored energy in it.

Hence, a cell that is increasing in ATP (energy) content means that cellular respiration is being undergone in that cell.

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1. amino acid refers to the fundamental building block of proteins, comprising of an amino group and a carboxyl group.

2. catalyst refers to any substance, which increases the rate of chemical reaction without being used up in the reaction.

3. a complex molecule containing he genetic code is dna or deoxyribonucleic acid.

4. an enzyme refers to a molecule of protein, which is unique in accelerating up a particular chemical reaction in the biological systems.

5. nucleic acid refers to an sequence of sugars, phosphates, and nitrogenous bases, for example, dna and rna.

6. a protein refers to a large, composite organic molecule comprising of a huge number of amino acids associated together with the of peptide bonds.

7. rna refers to a nucleic acid that takes part in the production of proteins.

8. substrate refers to a compound, which takes part in a chemical reaction, and is chemically modified by the reaction.