In the citric acid cycle (also called the Krebs cycle), ATP molecules are produced by _____.

In the citric acid cycle (also called the Krebs cycle), ATP molecules are produced by _____.

In the citric acid cycle (also called the Krebs cycle), ATP molecules are produced by _____.



a. cellular respiration
b. photosynthesis
c. photophosphorylation
d. substrate-level phosphorylation
e. oxidative phosphorylation


Answer: d