AP Biologyeasymcq1 pt
The Krebs cycle occurs in the
A.mitochondrial matrix
B.cytosol
C.intermembrane space
D.thylakoid lumen
Explanation
Core Concept
After pyruvate oxidation, acetyl-CoA enters the matrix's Krebs cycle, which harvests electrons into NADH and FADH₂ and releases CO₂.
Correct Answer
Amitochondrial matrix
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