CH5 Post Lecture Quiz – Flashcards

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question
A "fishy" odor is usually due to the presence of which of the following molecules?
answer
trimethylamine
question
Chlorophyll a is associated with all of the following photosynthetic organisms EXCEPT _____.
answer
green bacteria
question
Anabolic reactions that are essentially the reverse of beta-oxidation are important in the synthesis of which of the following?
answer
fatty acids (?)
question
The acetyl-CoA generated from beta-oxidation can be used in which of the following pathways?
answer
the Krebs cycle
question
Put the following selected events of photosynthesis in the correct order: a. excitation of the reaction center chlorophyll b. fixation of CO2 c. photosystem I activity d. photosystem II activity
answer
d, c, a, b
question
Glycerol, necessary for the production of fats, can be derived from which of the following pathways?
answer
Krebs cycle
question
Which of the following is NOT a catabolic pathway or reaction? the conversion of citric acid to oxaloacetic acid the conversion of glucose to pyruvic acid the conversion of pyruvic acid to acetyl-CoA the conversion of glucose to starch
answer
the conversion of glucose to starch
question
Which of the following pathways produces the most NADH and the least ATP? glycolysis electron transport Entner-Doudoroff pathway Krebs cycle
answer
Krebs cycle
question
In E. coli, the presence of isoleucine shuts down the enzymatic pathway that results in the synthesis of isoleucine. This is an example of _____. excitatory allosteric control feedback inhibition allosteric activation denaturation
answer
feedback inhibition
question
Which of the following is an INCORRECT association? electron transport: acetyl-CoA glycolysis: glucose 6-phosphate chemiosmosis: ATP synthase the Krebs cycle: oxaloacetic acid
answer
electron transport: acetyl-CoA
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