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Pancreatic Phase of Protein Digestion

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Questions and Answers

What percentage of protein digestion takes place in the gastric phase?

15%

What is the specific target of pepsin in protein digestion?

Peptide bonds formed by aromatic or acidic amino acids

What is the role of rennin in infants?

Digestion of milk protein (casein)

What is the precursor molecule that gives rise to pepsin?

Pepsinogen Signup and view all the answers

What is the byproduct of pepsin's action on proteins?

Oligopeptides and polypeptides + amino acids Signup and view all the answers

Match the following compounds with their roles in transamination reactions:

α-Ketoglutarate = Amino group acceptor Amino acid = Donor of amino group PLP = Coenzyme Keto acid = Product of transamination Signup and view all the answers

Match the following subcellular locations with their association with aminotransferases:

Cytoplasm = Site of aminotransferase activity Mitochondria = Site of aminotransferase activity Nucleus = Not associated with aminotransferases Golgi apparatus = Not associated with aminotransferases Signup and view all the answers

Match the following molecules with their functions in transamination:

GLU = New amino acid formed NH2 = Amino group donor R1 - C - COOH = Amino acid structure R2 C COOH = Keto acid structure Signup and view all the answers

Match the following compounds with their chemical properties:

Amino acid = Contain NH2 and COOH groups Keto acid = Contain COOH and C=O groups PLP = Coenzyme containing phosphate group α-Ketoglutarate = Contain COOH and C=O groups Signup and view all the answers

Match the following biological processes with their association with aminotransferases:

Protein synthesis = Not directly associated with aminotransferases Transamination = Directly associated with aminotransferases Glycolysis = Not directly associated with aminotransferases Fatty acid synthesis = Not directly associated with aminotransferases Signup and view all the answers

Match the following molecules with their classification as amino acids or keto acids:

R1 - C - COOH = Amino acid R2 C COOH = Keto acid GLU = Amino acid α-Ketoglutarate = Keto acid Signup and view all the answers