bind to bind to the ites site while non-competitive inibor b allosteric, active
ID: 209811 • Letter: B
Question
bind to bind to the ites site while non-competitive inibor b allosteric, active c. active, allosteric 28. Feedback mechanisms control metabolic pathways by using the concentration of the final product to regulate enryme activity using the concentration of the initial substrate to regulate enzyme activity a. b. c using the concentration of a critical intermediate to regulate enzyme activity. d. using unrelated inhibitors to regulate enzyme activity e using the concentration of enzyme co-factors to regulate enzyme activity 29. Which of the following statements about NAD+ is true? a. NAD+is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle. b. NAD+ functions as an electron shuttle to the electron transport chain. c. NAD+ can accept electrons for use in oxidative phosphorylation d. In the absence of NAD+,cellular respiration cannot function e. All statements are true. Match the stage of cellular respiration to the description. (1 pt ea) A generates NADH, FADH2& ATP B. proton motive force powers ATP synthase 30, glycolysis 31, pyruvate oxidation LJ 32. Kreb's Cycle(-) 33. e-transport ) 34, chemiosmosis (-) C. cleaving 6-C sugar to 2, 3-C molecules D. CO2 removed, Acetyl CoA added to 2-C E. transfers e-and generates H+ gradient 35. The oxygen consumed during cellular respiration is involved directly in which process or event? a. glycolysis b. cleaving glucose to generate ATP c. accepting electrons at the end of the electron transport chain d. the oxidation of pyruvate to acetyl CoA e. regenerate intermediates of CACExplanation / Answer
27- c
28-a
29 -e
30-c
31-d
32-a
33-e
34-b
35-c
Note- glycolysis is breakdown of glucose to form pyruvate which is followed by pyruvate oxidation to form acetyl coA which enter kreb cycle to form NADH , FADH2 ,ATP . These enter etc and form atp in mitrochondria.
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