Multiple Choice
Which of the following molecules is ATP?
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7. Energy and Metabolism
ATP
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Which process is responsible for converting ADP to ATP in cells?
A
Fermentation
B
Glycolysis
C
Cellular respiration
D
Photosynthesis
Verified step by step guidance1
Understand that ATP (adenosine triphosphate) is the primary energy carrier in cells, and ADP (adenosine diphosphate) is converted to ATP through the addition of a phosphate group.
Recognize that cellular respiration is the process by which cells convert biochemical energy from nutrients into ATP, and it involves several stages including glycolysis, the citric acid cycle, and oxidative phosphorylation.
Identify that oxidative phosphorylation, which occurs in the mitochondria, is the main stage of cellular respiration responsible for converting ADP to ATP. This process uses the electron transport chain and chemiosmosis.
Learn that during oxidative phosphorylation, electrons are transferred through a series of proteins in the electron transport chain, creating a proton gradient across the mitochondrial membrane.
Understand that the energy from the proton gradient is used by ATP synthase to add a phosphate group to ADP, forming ATP. This is the key step in cellular respiration that directly converts ADP to ATP.
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