It is an important nucleotide used as an energy currency by the cell:
Correct answer: C. ATP
- A. FAD
- B. NAD
- C. ATP
- D. AMP
Explanation
Adenosine triphosphate (ATP) is the correct answer because it is universally recognized as the primary energy currency of the cell. It stores energy in its high-energy phosphate bonds, which can be readily used to fuel cellular processes. In contrast, FAD and NAD are coenzymes involved in energy metabolism but do not serve as the direct energy currency. AMP is a component of ATP and participates in energy transfer but lacks the high-energy bonds that characterize ATP.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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