(A Jeopardy question) The diagram shows processes happening within a cell.

A scientist is investigating what occurs at point X on the diagram. What question is the scientist most likely attempting to answer?

A. Where does the Calvin cycle occur?

B. Where does electron transport occur?

C. Where does glycolysis occur?

D. Where does the Krebs cycle occur?

choose the correct answer

D. Where does the Krebs cycle occur?