alleryThe cyclical reactions of the tricarboxylic acid cycle take place in which cell organelle?
AChloroplast
BCytoplasm
CMitochondria
DNucleus
Answer & Solution
Correct answer: C. Mitochondria
1. Acetyl-CoA enters the mitochondria after glycolysis.
2. The cyclic chain of reactions of the TCA cycle operates inside the mitochondria.
3. Glycolysis occurs in the cytoplasm, so the cytoplasm option is ruled out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 2 "Life Processes in Living Organisms Part 1", p.22_
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