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Unformatted text preview: 1. Below is the chemical structure of NAD + /NADP + . NAD + /NADP + captures electrons in the form of a hydride. Where is the hydride added? A) The adenosine ring. B) The ribose sugar connected to the adenine (where the X is). C) The phosphoanhydride connecting the two ribose rings. D) The ribose sugar connected to the nicotinamide. E) The nicotinamide ring. Answer: E 2. Which of the following is correct concerning the following metabolic reaction? Pyruvate + CO 2 + ATP oxaloacetate + ADP + P i A) This metabolic reaction is catalyzed by pyruvate carboxykinase. B) The enzyme that catalyzes this reaction is covalently bonded to the coenzyme pyridoxal phosphate. C) This reaction can be considered as part of the pentose phosphate pathway. D) The enzyme that catalyzes this reaction is located in the endoplasmic reticulum of the cell. E) The enzyme that catalyzes this reaction is activated by high concentrations of acetyl-CoA....
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