Textbook Question
Most of the energy in an ATP molecule is released ________.
a. During cellular respiration.
b. When the terminal phosphate group is hydrolyzed.
c. In the form of new nucleotides.
d. When it is transferred to NADH.
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8. Respiration
Review of Aerobic Cellular Respiration
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What is the primary difference between aerobic and anaerobic respiration?
A
Aerobic respiration occurs in the cytoplasm, while anaerobic respiration occurs in the mitochondria.
B
Aerobic respiration produces lactic acid, while anaerobic respiration produces carbon dioxide.
C
Aerobic respiration requires oxygen, while anaerobic respiration does not.
D
Aerobic respiration is less efficient in ATP production compared to anaerobic respiration.
Verified step by step guidance1
Understand the basic definitions: Aerobic respiration is a process that requires oxygen to produce energy, while anaerobic respiration does not require oxygen.
Identify where each process occurs: Aerobic respiration primarily takes place in the mitochondria, whereas anaerobic respiration occurs in the cytoplasm.
Compare the byproducts: Aerobic respiration produces carbon dioxide and water as byproducts, while anaerobic respiration can produce lactic acid (in animals) or ethanol and carbon dioxide (in yeast and plants).
Evaluate the efficiency: Aerobic respiration is more efficient in ATP production, generating approximately 36-38 ATP molecules per glucose molecule, compared to anaerobic respiration, which produces only about 2 ATP molecules per glucose molecule.
Clarify the correct statement: The primary difference is that aerobic respiration requires oxygen, while anaerobic respiration does not, making it the correct answer among the given options.
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