- A mitochondrial matrix
- B the cell cytoplasm
- C the cell nucleus
- D the plant cell wall
Correct answer: A. mitochondrial matrix
Explanation: The link (transition) reaction occurs in the mitochondrial matrix.
Concept context
Glycolysis, the Krebs cycle, the electron transport chain, fermentation, and the respiratory quotient. The cellular energy-release counterpart to photosynthesis.