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Multiple Choice
What molecule is used by the enzyme synthase to form ?
A
B
C
D
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Verified step by step guidance
1
Understand the role of ATP synthase: ATP synthase is an enzyme that synthesizes ATP (adenosine triphosphate) from ADP (adenosine diphosphate) and inorganic phosphate (Pi) during cellular respiration.
Identify the substrates for ATP synthesis: The primary substrate used by ATP synthase to form ATP is ADP, along with inorganic phosphate.
Differentiate between the given molecules: ADP, AMP, FADH2, and NADH are all involved in cellular metabolism, but only ADP is directly used by ATP synthase to produce ATP.
Recognize the function of other molecules: AMP (adenosine monophosphate) is a lower-energy form of ADP, while FADH2 and NADH are electron carriers used in the electron transport chain to generate a proton gradient that drives ATP synthesis.
Conclude the correct substrate: Based on the role of ATP synthase and the substrates involved, ADP is the molecule used by ATP synthase to form ATP.