For aerobic respiration to take place within the mitochondria, the final product of glycolysis, pyruvate is transported from the cytoplasm into the mitochondria. The crucial events in aerobic respiration are:
Assertion (A): Aerobic respiration can proceed within mitochondria after glycolysis. Reason (R): Aerobic respiration depends on pyruvate transport from the cytoplasm into the mitochondria.
Correct answer: A — If both assertion and reason are true and the reason is the correct explanation of the assertion.
NCERT confirms aerobic respiration proceeds in mitochondria after glycolysis (Assertion true). NCERT states “For aerobic respiration to take place within the mitochondria, the final product of glycolysis, pyruvate is transported from the cytoplasm into the mitochondria.” The Reason explains WHY aerobic respiration can proceed - it depends on pyruvate transport from glycolysis (true and explanatory).
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