Questions: Which molecule, composed of adenine, ribose, and three phosphate groups, functions as an energy-transfer molecule? Adenosine triphosphate Triglyceride Cyclic adenosine monophosphate Cholesterol

Which molecule, composed of adenine, ribose, and three phosphate groups, functions as an energy-transfer molecule? Adenosine triphosphate Triglyceride Cyclic adenosine monophosphate Cholesterol
Transcript text: Which molecule, composed of adenine, ribose, and three phosphate groups, functions as an energy-transfer molecule? Adenosine triphosphate Triglyceride Cyclic adenosine monophosphate Cholesterol
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Solution

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The answer is the first one: Adenosine triphosphate.

Explanation for each option:

  1. Adenosine triphosphate (ATP): This is the correct answer. ATP is composed of adenine, ribose, and three phosphate groups. It is well-known for its role as an energy-transfer molecule in cells, providing energy for various biochemical processes.

  2. Triglyceride: This is incorrect. Triglycerides are a type of fat found in the blood and are composed of glycerol and three fatty acids. They are used for long-term energy storage, not immediate energy transfer.

  3. Cyclic adenosine monophosphate (cAMP): This is incorrect. cAMP is a derivative of ATP and serves as a secondary messenger in many biological processes, but it is not primarily an energy-transfer molecule.

  4. Cholesterol: This is incorrect. Cholesterol is a type of lipid that is important for cell membrane structure and the synthesis of certain hormones, but it does not function as an energy-transfer molecule.

In summary, adenosine triphosphate (ATP) is the molecule that functions as an energy-transfer molecule, making it the correct answer.

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