ch23 discussion questions w answers

ch23 discussion questions w answers - Chapter 23 Protein...

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Unformatted text preview: Chapter 23 Protein Turnover and Amino Acid Catabolism Matching Questions Use the following to answer questions 1-5: Choose the correct answer from the list below. Not all of the answers will be used. a) Schiff-base linkages b) aminotransferases c) met-methionine d) S-adenosylmethionine e) glutamate dehydrogenase f) oxaloacetate g) biopterin h) ubiquitin i) hippurate j) urea k) pepsin l) dioxygenases 1 ____________ These enzymes transfer an -amino group from amino acids to -ketoglutarate. Ans: B Section: 23.3 2 ____________ This enzyme catalyzes an oxidative deamination and can utilize either NAD + or NADP + . Ans: e Section: 23.3 3 ____________ This is the type of intermediate that forms between PLP and an amino acid. Ans: a Section: 23.3 4 ____________ This product results when aspartate is transaminated with -ketoglutarate. Ans: f Section: 23.3 5 ____________ This methyl group donor is the product of the first step of methionine degradation. Ans: d Section: 23.5 Chapter 23 Protein Turnover and Amino Acid Catabolism Fill in the Blank Questions 6 Ubiquitin-tagged proteins are digested by the __________________....
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ch23 discussion questions w answers - Chapter 23 Protein...

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