BIO+203+Lecture+8++Review+questions.pdf

BIO+203+Lecture+8++Review+questions.pdf - BIO 203...

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Unformatted text preview: BIO 203 METABOLISM REVIEW QUESTIONS (For your study notes) 1. In the equation below, identify the electron donor (substance being oxidized) and the electron acceptor (substance being reduced). 2. How many moles of ATP would an E. coli cell produce from a mole of glucose, via fermentation? 3. Assume that you grew two cultures of E. coli cells in a medium containing glucose and nitrate. One of the flasks of medium was oxygenated, but the other flask was grown anaerobically. Which culture would grow faster, and why? 4. What are the advantages & disadvantages of fermentation vs. aerobic cellular respiration? Fermentation Aerobic cellular respiration Advantage Disadvantage 5. Gramicidin is an antibiotic that acts as a cytoplasmic membrane proton channel and inhibits growth of some bacteria and fungi. Given what you know about the mechanism of chemiosmosis, how do you think gramicidin works to inhibit cellular function? ...
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