Multiple Choice
The construction of ATP by the addition of a phosphate molecule to ADP is an example of:
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7. Energy and Metabolism
ATP
Multiple Choice
Which molecule is commonly referred to as the energy currency of the cell?
A
Glucose
B
Nicotinamide adenine dinucleotide (NADH)
C
Adenosine triphosphate (ATP)
D
Deoxyribonucleic acid (DNA)
Verified step by step guidance1
Understand the concept of 'energy currency' in the cell: This term refers to a molecule that stores and provides energy for various cellular processes. It must be readily available and capable of releasing energy efficiently.
Review the role of glucose: Glucose is a primary energy source, but it must undergo cellular respiration to be converted into usable energy. It is not directly used as the energy currency.
Examine the role of NADH: NADH is an electron carrier involved in cellular respiration. It helps transfer electrons to the electron transport chain but is not the direct energy currency.
Analyze the role of ATP: Adenosine triphosphate (ATP) is a molecule that directly provides energy for cellular activities by breaking its high-energy phosphate bonds. This makes it the 'energy currency' of the cell.
Clarify the role of DNA: Deoxyribonucleic acid (DNA) stores genetic information and does not play a role in energy transfer or storage. It is unrelated to the concept of energy currency.
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