Chapter 7

Glycolysis starts and ends in the ______. a. nucleus b. mitochondrion c. plasma membrane d. cytoplasm

Which of the following metabolic pathways require(s) molecular oxygen \(\left(\mathrm{O}_{2}\right) ?\) a. aerobic respiration b. lactate fermentation c. alcoholic fermentation d. all of the above

Which molecule does not form during glycolysis? a. NADH b. pyruvate c. FADH d. ATP

In eukaryotes, aerobic respiration is completed in the ______. a. nucleus b. mitochondrion c. plasma membrane d. cytoplasm

Which of the following reaction pathways is not part of the second stage of aerobic respiration? a. electron transfer phosphorylation b. acetyl-CoA formation c. Krebs cycle d. glycolysis e. a and \(d\)

After the Krebs reactions run through _______ cycle(s), one glucose molecule has been completely broken down to \(\mathrm{CO}_{2}\) a. one b. two c. three d. six

In the third stage of aerobic respiration, __________ is the final acceptor of electrons. a. water b. hydrogen c. oxygen d. NADH

In alcoholic fermentation, ________ is the final acceptor of electrons. a. oxygen b. pyruvate c. acetaldehyde d. sulfate