Check All That Apply The organism lacks an electron transport chain. The organism is an obligate aerobe. A suitable inorganic terminal electron acceptor is not available. The organism is trying to generate a greater ATP yield than by respiration alone. The organism is only capable of generating ATP via oxidative phosphorylation.
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This means that the organism must have an electron transport chain to use oxygen as a final electron acceptor. Show more…
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7. Which of the following would be killed if placed in an environment that totally lacks oxygen? Circle all that apply. a) Obligate aerobe b) Microaerophile c) Facultative anaerobe d) Aerotolerant e) Obligate anaerobe 8. A tube of thioglycollate broth (inoculated with a bacterial species and incubated) has turbidity only in the lower half of the broth. At the surface of the broth, the broth has a pink coloration. What is the oxygen requirement category of this species (circle one)? a) Aerotolerant b) Facultative anaerobe c) Microaerophile d) Obligate aerobe e) Obligate anaerobe 9. A bacterial species grows well on an aerobic plate and grows just a little bit on an anaerobic plate. Based on this, you can categorize this species as (circle one): a) aerotolerant b) a facultative anaerobe c) an obligate aerobe d) a microaerophile e) an obligate anaerobe 10. Which of the following is an oxygen requirement category you could determine using thioglycollate broth, but NOT using the combination of aerobic+anaerobic plates? (hint: try to draw expected results for these two different ways of assessing oxygen requirement categories!) (circle one) a) facultative anaerobe b) obligate anaerobe c) obligate aerobe d) microaerophile e) aerotolerant 11. In the absence of oxygen, what are TWO other ways that bacteria can make ATP (not including photosynthesis)? What is the difference between these 2 (hint: your answer should include the phrase "electron transport chain")?
Adi S.
Organisms that do not carry out aerobic cellular respiration: Select one: a. Must be strict anaerobes. b. May carry out fermentation, substituting a molecule other than O2 as the terminal electron chain. c. May use fermentation to generate ATP, with alcohol released as a byproduct. d. Can break down lactate to generate ATP via the electron transport chain.
Nicole C.
Some organisms can do anaerobic respiration. These organisms would do glycolysis, Krebs cycle, and then the electron chain transport. In order for this process to proceed there needs to an electron receptor at the end of the electron transport chain because ???? is missing. What is missing?
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