homework_metab5_30b_answ

homework_metab5_30b_answ - Metabolism Chem 30B Name _ 1. (2...

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Metabolism Name _________________ Chem 30B 1. (2 pts) In protein digestion outline the steps that take place in the stomach and in the small intestine. Stomach- Small Intestine a) pH =2 denatures the protein. a) Enzyme peptidase, trypsin, b) Pepsin hydrolyzes peptide bonds and chymotrypsin completes to give poly peptides. hydrolysis to amino acids. 2.(2 pts) What is the purpose of the urea cycle? The purpose of the urea cycle is to remove toxic ammonia from amino acid metabolism to form urea which is then excreted . 3. (2 pts) How many ATPs are produced by the complete oxidation of maltose? 6 ATP from glycolysis 6 ATP from pyruvate to AcCoA 24 ATP citric acid cycle total 36 ATP x 2 glucose = 72 ATP (Assume zero for maltose cleavage) 4. (2pts) Write the equation for the oxidative deamination of glutamate. -OOC NH 3 COO- + glutamate + H 2 O -OOC O COO- α -ketoglutarate + NH 4 + NAD+ NADH
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5. (4 pts) Consider the β oxidation pathway for fatty acids. a.
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homework_metab5_30b_answ - Metabolism Chem 30B Name _ 1. (2...

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