45 notecards = 12 pages (4 cards per page)
1) Which of the following compounds is NOT an enzyme?
3) Which organism is NOT correctly matched to its energy source?
4) Which of the following statements about anaerobic respiration is FALSE?
6) What is the fate of pyruvic acid in an organism that uses aerobic respiration?
9) Fatty acids are oxidized in
11) Which of the following is the best definition of oxidative phosphorylation?
12) Which of the following statements about substrate-level phosphorylation is FALSE?
13) Which of the following statements about photophosphorylation is FALSE?
14) A strictly fermentative bacterium produces energy
15) The advantage of the pentose phosphate pathway is that it produces all of the following EXCEPT
16) Which biochemical process is NOT used during glycolysis?
17) In noncyclic photophosphorylation, O2 is released from
18) Which of the following is the best definition of fermentation?
19) Which of the following is NOT necessary for respiration?
20) Which one of the following would you predict is an allosteric inhibitor of the Krebs cycle enzyme, α-ketoglutarate dehydrogenase?
21) In green and purple bacteria, electrons to reduce CO2 can come from
22) Assume you are growing bacteria on a lipid medium that started at pH 7. The action of bacterial lipases should cause the pH of the medium to
23) Which of the following uses CO2 for carbon and H2 for energy?
Answer : A
24) Which of the following uses glucose for carbon and energy?
25) Which of the following has bacteriochlorophylls and uses alcohols for carbon?
26) Cyanobacteria are a type of
27) Which of the following statements are TRUE?
1-Electron carriers are located at ribosomes.
2-ATP is a common intermediate between catabolic and anabolic pathways.
3-ATP is used for the long-term storage of energy and so is often found in storage granules.
4-Anaerobic organisms are capable of generating ATP via respiration.
5-ATP can be generated by the flow of protons across protein channels.
28) Microorganisms that catabolize sugars into ethanol and hydrogen gas would most likely be categorized as
29) Which of the following statements regarding metabolism is FALSE?
30) Which of the following is TRUE about this reaction?
NO3-+ 2H+ NO2- + H2O
Nitrate ion Nitrite ion
31) Which of the following statements regarding the Entner-Doudoroff pathway is TRUE?
32) Assume you are working for a chemical company and are responsible for growing a yeast culture that produces ethanol. The yeasts are growing well on the maltose medium but are not producing alcohol. What is the most likely explanation?
34) An enzyme, citrate synthase, in the Krebs cycle is inhibited by ATP. This is an example of all of the following EXCEPT
35) If a cell is starved for ATP, which of the following pathways would most likely be shut down?
36) Which of the following statements regarding the glycolysis pathway is FALSE?
38) A bacterial culture grown in a glucose-peptide medium causes the pH to increase. The bacteria are most likely
39) Gallionella bacteria can get energy from the reaction Fe2+ → Fe3+. This reaction is an example of
45) A urease test is used to identify Mycobacterium tuberculosis because
46) Researchers are developing a ribozyme that cleaves the HIV genome. This pharmaceutical agent could be described as
47) Which statements correspond to amphibolic pathways?
1) Catabolic reactions are generally degradative and hydrolytic.
2) The pentose phosphate pathway can be characterized as an anabolic pathway.
3) In general, ATP is generated in catabolic pathways and expended in anabolic pathways.
4) An apoenzyme that loses its coenzyme subunit will be non-functional.
5) The use of enzymes is necessary to increase the activation energy requirements of a chemical reaction.
6) Glycolysis is utilized by cells in both respiration and fermentation.
7) Carbon fixation occurs during the light-independent phase of photosynthesis.
8) Both respiration and photosynthesis require the use of an electron transport chain.
9) Both respiration and photosynthesis use water molecules for the donation of hydrogen ions.
10) Once an enzyme has converted substrates into products, the active site reverts back to its original form.