BI/CH421 Biochemistry EXAM 1 10/01/2018 | DOWNLOAD SOLVED EXAM FOR QUALITY GRADES

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This reaction will be at equilibrium inside the cell c. This reaction will be spontaneous inside the cell. d. There will be much more C than A or B inside the cell e. There is not enough informatio... n to know if any of the above statements are true. 2. The amino acids threonine and tyrosine a. Are common sites for post translational modification by phosphorylation. b. both have a hydroxyl group in their side chain. c. contribute to absorption of UV light at ~280 nm. d. All of the above are true. e. Both A and B are true. 3. What is the amino acid sequence of the peptide abbreviated RLWEQ? a. Pro-Leu-Try-Glu-Asn b. Pro-Lys-Trp-Try-Gln c. Arg-Leu-Try-Glu-Asn d. Arg-Leu-Trp-Glu-Gln e. None of the above 4. Which of the following amino acids contain a polar side chain? a. Ser b. Pro c. Val d. Leu e. Met 5. A disulfide bond between two cysteine residues a. is a peptide bond. b. is a covalent bond formed by reduction of sulfhydryl groups. c. is a covalent bond formed by the oxidation of thioether groups. d. both A and C describe a disulfide bond between two cysteine residues e. none of the above accurately describe a disulfide bond. 6. Which protein will elute last in size exclusion chromatography? a. Cytochrome C (13 kDa) b. Apolipoprotein B (513 kDa) c. Myoglobin (16,890 Da) d. Serum Albumin (66 kDa) e. You must know the pI of each [Show More]

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