Chapter 7

Glycolysis starts and ends in the _____. a. nucleus c. plasma membrane b. mitochondrion 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 c. oxygen \(\left(\mathrm{O}_{2}\right)\) b. pyruvate d. ATP

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

In eukaryotes, fermentation is completed in the _____. a. nucleus c. plasma membrane b. mitochondrion d. cytoplasin

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

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 c. oxygen \(\left(\mathrm{O}_{2}\right)\) b. hydrogen d. NADH

Most of the energy that is released by the full breakdown of glucose to \(\mathrm{CO}_{2}\) and water ends up in _____. a. NADH c. heat b. ATP d. electrons

_____ accepts electrons in alcoholic fermentation. a. Oxygen c. Acetaldehyde b. Pyruvate d. Ethanol

Your body cells can break down _____ as a source of energy to fuel ATP production. a. fatty acids c. amino acids b. glycerol d. all of the above