Practice question #6 chạp. 2 p. 145 A. What are the differences in electron acceptor and electron donors used by Escherichia coli (during aerobic cell respiration) and Acidithiobacillus thioparus (a sulfur chemolithotroph with the capacity for aerobic cell respiration)? B. What gives bacterial cell walls their structural integrity and why is that important.

Practice question #6 chạp. 2 p. 145 A. What are the differences in electron acceptor and electron donors used by Escherichia coli (during aerobic cell respiration) and Acidithiobacillus thioparus (a sulfur chemolithotroph with the capacity for aerobic cell respiration)? B. What gives bacterial cell walls their structural integrity and why is that important.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter33: The Animal Body: Basic Form And Function

Section: Chapter Questions

Problem 40CTQ: On a molecular level, how can endotherms produce their own heat by adjusting processes associated...

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Practice question #6 chạp. 2 p. 145 A. What are the differences in electron acceptor and electron donors used by Escherichia coli (during aerobic cell respiration) and Acidithiobacillus thioparus (a sulfur chemolithotroph with the capacity for aerobic cell respiration)?
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Practice question #7 chap. 2 p. 145 A. Explain the following observation: cells of E. coli fermenting glucose (anaerobic conditions) grow faster when NO; is supplied to the culture, and then grow even faster when the culture is highly aerated. B. Shiga toxin (Stx) is a potent A-B toxin that inhibits protein synthesis and has a lethal dose 50 (LD50) of approximately 20 ng/kg of body weight in rabbits (meaning that 1 µg of Stx would be lethal for half the people exposed to this dose). Nonetheless, cell lines derived from different mammalian tissues range from highly susceptible (cytotoxic dose 50 [CD50] of approximately 10 pg/ml) to completely resistant (CD50 > 1 µg/ml). What cellular or molecular differences do you think account for susceptibility and resistance of these cell lines? Note: LD50 is the dose at which 50% of the test subjects die. In this case, it was determined for rabbits given intravenous injections of the toxin. CD50 is the concentration at which 50% of the cells die.…
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