HW Ch 18 21

HW Ch 18 21 - TEST REVIEW PROBLEMS CH 18 AND CH 21 1 The...

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TEST REVIEW PROBLEMS CH 18 AND CH 21 1. The coenzyme required for all transaminations is derived from: A) niacin. B) pyridoxine (vitamin B 6 ). C) riboflavin. D) thiamin. E) vitamin B 12 . 2. Which of the following is not true of the reaction catalyzed by glutamate dehydrogenase? A) It is similar to transamination in that it involves the coenzyme pyridoxal phosphate (PLP). B) NH 4 + is produced. C) The enzyme can use either NAD + or NADP + as a cofactor. D) The enzyme is glutamate-specific, but the reaction is involved in oxidizing other amino acids. E) α -Ketoglutarate is produced from an amino acid. 3. The conversion of glutamate to an -ketoacid and NH 4 + : A) does not require any cofactors. B) is a reductive deamination. C) is accompanied by ATP hydrolysis catalyzed by the same enzyme. D) is catalyzed by glutamate dehydrogenase. E) requires ATP. 4. Conversion of ornithine to citrulline is a step in the synthesis of: A) aspartate. B) carnitine.
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This note was uploaded on 03/08/2012 for the course CHEM 481 taught by Professor Wood during the Fall '10 term at BYU.

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HW Ch 18 21 - TEST REVIEW PROBLEMS CH 18 AND CH 21 1 The...

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