Where does the Krebs cycle (citric acid cycle) take place within a eukaryotic cell?

A Cytoplasm

B Inner mitochondrial membrane

C Mitochondrial matrix

D Nucleus

✓ Correct Answer: Option C

The Krebs cycle, a central part of aerobic respiration, occurs in the mitochondrial matrix. Glycolysis takes place in the cytoplasm, and the electron transport chain is on the inner mitochondrial membrane.

💡 Why is C) the correct answer?

The correct answer to the question "Where does the Krebs cycle (citric acid cycle) take place within a eukaryotic cell?" is Option C: Mitochondrial matrix.

The other options — A) Cytoplasm, B) Inner mitochondrial membrane, D) Nucleus — are incorrect for this IB Exam Prep question. As explained above: The Krebs cycle, a central part of aerobic respiration, occurs in the mitochondrial matrix. Glycolysis takes place in the cytoplasm, and the electron transport chain is on the inner mitochondrial mem…

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Where does the Krebs cycle (citric acid cycle) take place within a eukaryotic cell?

✓ Correct Answer: Option C

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