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Multiple Choice
Where does the first stage of aerobic cellular respiration take place within a cell?
A
Mitochondrial matrix.
B
Inner mitochondrial membrane.
C
Intermembrane space.
D
Cytoplasm.
Verified step by step guidance
1
Understand the process of aerobic cellular respiration, which consists of several stages: glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation.
Identify the location of glycolysis, the first stage of aerobic cellular respiration. Glycolysis occurs in the cytoplasm of the cell.
Recognize that glycolysis is the process where glucose is broken down into pyruvate, producing ATP and NADH, and does not require oxygen.
Differentiate glycolysis from the subsequent stages of cellular respiration, which occur in the mitochondria: the citric acid cycle in the mitochondrial matrix and oxidative phosphorylation along the inner mitochondrial membrane.
Conclude that the first stage of aerobic cellular respiration, glycolysis, takes place in the cytoplasm, not in the mitochondria.