front 1 What is the fate of pyruvic acid in an organism that uses aerobic respiration? | back 1 it is converted into acetyl CoA |
front 2 Fatty acids are oxidized in | back 2 The Krebs cycle |
front 3 Which of the following is the best definition of oxidative phosphorylation? | back 3 A proton gradient allows hydrogen ions to flow back into the cells through transmembrane protein channels, releasing energy that is used to generate ATP |
front 4 Photophosphorylation statements are | back 4 a) light liberates an electron from chlorophyll b) the oxidation of carrier molecules releases energy c) energy from oxidation reactions is used to generate ATP from ADP D) It requires CO2 |
front 5 A strictly fermentative bacterium produces energy | back 5 by glycolysis only |
front 6 In noncyclic photophosphorylation, 02 is released from | back 6 C6H12O6 |
front 7 Which is the best definition of fermentation | back 7 the partial oxidation of glucose with organic molecules serving as electron acceptors |
front 8 In green and purple bacteria, electrons to reduce CO2 can come from | back 8 H2S |
front 9 A bacteria are growing on a lipid medium that started at pH 7. The action of lipases case the pH of the medium to | back 9 decrease |
front 10 Which of the following uses CO2 for carbon and H2 for energy? | back 10 chemoautotroph |
front 11 Which of the following uses glucose for carbon and energy? | back 11 chemoheterotroph |
front 12 Which of the following has bacteriochlorophylls and uses alcohols for carbon? | back 12 photoheterotroph |
front 13 Cynobacteria are a type of | back 13 photoautotroph |
front 14 Which of the following statements are true regarding production of ATP? | back 14 a) ATP is a common intermediate between catabolic and anabolic pathways b) Anaerobic organisms are capable of generating ATP via respiration c) ATP can be generated by the flow of protons across protein channels |
front 15 Microorganisms that catabolize sugar into ethanol and hydrogen gas would most likely be categorized as | back 15 heterolactic fermenters |
front 16 Which of the following statements regarding metabolism is TRUE? | back 16 a) Heat may be release in both anabolic and catabolic reactions b) ATP is formed in catabolic reactions c) ADP is formed in anabolic reactions |
front 17 Which of the following statements regarding the Entner-Doudoroff pathway is True? | back 17 ATP is generated |
front 18 If a cell is starved for ATP, which of the following pathways would most likely be shut down? | back 18 pentose phosphate pathway |
front 19 Glycolysis pathway | back 19 a) two pyruvate molecules are generated b) four ATP molecules are generated via substrate-level phosphorylation c) two NADH molecules are generated d) two molecules of water are generated |
front 20 A bacterial culture grown in a glucose-peptide medium cases the pH increase. The bacterei are most likely | back 20 using the peptides |
front 21 Gallionella bacteria can get energy from the reaction Fe2+ -- Fe3+. This reaction is an example of | back 21 oxidation |
front 22 A urease test is used to identify Myobacterium tuberculosis because | back 22 M. tuberculosis produces urease |
front 23 Catabolic reactions are generally degradative and hydrolytic? | back 23 True |
front 24 The use of enzymes is necessary to increase activation energy requirements of a chemical reaction | back 24 False |