Why Is There a Range of 30-32 ATP Molecules Produced

question 129

Multiple Choice

Why is there a range of 30-32 ATP molecules produced from one glucose molecule?

• A) Sometimes the electron transport system is more efficient than other times.
• B) The NADH molecules produced during glycolysis are in the cytoplasm; occasionally, electrons are carried by the lower energy FADH₂ instead of NADH.
• C) Individual variation is normal among cells.
• D) Any of these answers may work under different cellular conditions.