Chapter 7

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

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

Which molecule does not form during glycolysis? a. NADH b. pyruvate c. oxygen \(\left(\mathrm{O}_{2}\right)\) d. ATP

In eukaryotes, the final reactions of aerobic respiration are completed in _____________ . a. the nucleus b. mitochondria c. the plasma membrane d. cytoplasm

In eukaryotes, the final reactions of fermentation are completed in _______ a. the nucleus b. mitochondria c. the plasma membrane d. cytoplasm

After the citric acid cycle reactions run __________ , one six carbon glucose molecule has been completely broken down to \(\mathrm{CO}_{2}\). a. once b. twice \(c\) six times d. twelve times

Most of the energy that aerobic respiration releases from glucose ends up in _______________ . a. NADH b. ATP c. heat d. electrons

___________ accepts electrons in lactate fermentation. a. Oxygen b. Pyruvate c. Acetaldehyde d. Ethanol

Put the following pathways in the order they occur during aerobic respiration (use Figure 7.16 to check your answers). a. electron transfer phosphorylation b. acetyl-CoA formation c. citric acid cycle d. glycolysis

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

Which of the following is not produced by an animal muscle cell operating under anaerobic conditions? a. heat b. pyruvate \(c, P G A L\) d. ATP e. lactate f. oxygen

Hydrogen ion flow drives ATP synthesis during _______________ . a. glycolysis b. the citric acid cycle c. aerobic respiration d. fermentation

Match the term with the best description. a. needed for glycolysis b. inner gel c. makes many ATP d. product of glycolysis e. reduced coenzyme f. no oxygen required mitochondrial matrix pyruvate \(\mathrm{NAD}^{+}\) mitochondrion NADH anaerobic