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SURVEY OF BIOCHEMISTRY Course Review

SURVEY OF BIOCHEMISTRY Course Review. PRS-1. Which amino acid contains a ring system? Phe Ile Val Gly. PRS-1. Which amino acid contains a ring system? Phe Ile Val Gly. PRS-2. Which enzyme is an oxidoreductase? Hemoglobin Enolase GAP Dehydrogenase Aconitase. PRS-2.

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SURVEY OF BIOCHEMISTRY Course Review

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  1. SURVEY OF BIOCHEMISTRYCourse Review

  2. PRS-1 • Which amino acid contains a ring system? • Phe • Ile • Val • Gly

  3. PRS-1 • Which amino acid contains a ring system? • Phe • Ile • Val • Gly

  4. PRS-2 • Which enzyme is an oxidoreductase? • Hemoglobin • Enolase • GAP Dehydrogenase • Aconitase

  5. PRS-2 • Which enzyme is an oxidoreductase? • Hemoglobin • Enolase • GAP Dehydrogenase • Aconitase What gets oxidized? What gets reduced?

  6. PRS-3 • In mixed inhibition ___________. • Vmax increases and KM increases • Vmax decreases and KM increases • Vmax stays the same and KM increases • Vmax decreases and KM stays the same

  7. PRS-3 • In mixed inhibition ___________. • Vmax increases and KM increases • Vmax decreases and KM increases • Vmax stays the same and KM increases • Vmax decreases and KM stays the same

  8. PRS-4 • A fatty acid with 18 carbons and no double bonds in the alkyl chain is called: • Stearic acid • Palmitic Acid • Linoleic acid • Arachidonic acid

  9. PRS-4 • A fatty acid with 18 carbons and no double bonds in the alkyl chain is called: • Stearic acid • Palmitic Acid • Linoleic acid • Arachidonic acid

  10. PRS-5 • An alpha helix is stabilized by: • Hydrogen bonds between the side chains of the amino acids • Hydrogen bonds between the carbonyl oxygens and the N-H group of the adjacent residue • H-bonds between the carbonyl oxygens and the N-H group of the (n+3)th residue • H-bonds between the carbonyl oxygens and the N-H group of the (n+4)th residue

  11. PRS-5 • An alpha helix is stabilized by: • Hydrogen bonds between the side chains of the amino acids • Hydrogen bonds between the carbonyl oxygens and the N-H group of the adjacent residue • H-bonds between the carbonyl oxygens and the N-H group of the (n+3)th residue • H-bonds between the carbonyl oxygens and the N-H group of the (n+4)th residue

  12. PRS-6 • In ion exchange chromatography, the protein captured by the resin is eluted with: • Salt • Water • Imidazole • Diethylaminoethyl groups

  13. PRS-6 • In ion exchange chromatography, the protein captured by the resin is eluted with: • Salt • Water • Imidazole • Diethylaminoethyl groups

  14. PRS-7 • What reaction follows GAP dehydrogenase in glycolysis? • Phosphoglucomutase • Phosphofructokinase • Phosphoglycerate kinase • Phosphoglycerate mutase

  15. PRS-7 • What reaction follows GAP dehydrogenase in glycolysis? • Phosphoglucomutase • Phosphofructokinase • Phosphoglycerate kinase • Phosphoglycerate mutase

  16. PRS-8 • What is Dansyl Chloride used for? • End group analysis in peptide sequencing • Staining polyacrylamide gels • Determining protein concentration • Reducing disulfide bonds

  17. PRS-8 • What is Dansyl Chloride used for? • End group analysis in peptide sequencing • Staining polyacrylamide gels • Determining protein concentration • Reducing disulfide bonds

  18. PRS-9 • Which amino acids make up the catalytic triad of serine proteases? • His, Lys, Arg • Ser, His, Asp • Asp, Cys, Ser • Lys, Ser, Asp

  19. PRS-9 • Which amino acids make up the catalytic triad of serine proteases? • His, Lys, Arg • Ser, His, Asp • Asp, Cys, Ser • Lys, Ser, Asp

  20. PRS-10 • Which of the following is NOT a disaccharide? • Lactose • Maltose • Sucrose • Mannose

  21. PRS-10 • Which of the following is NOT a disaccharide? • Lactose • Maltose • Sucrose • Mannose

  22. PRS-11 • How many fused rings are found in cholesterol? • One • Two • Three • Four

  23. PRS-11 • How many fused rings are found in cholesterol? • One • Two • Three • Four

  24. PRS-12 • Which of the following cannot serve as a nucleophile? • Ser • His • Asp • Zn2+

  25. PRS-12 • Which of the following cannot serve as a nucleophile? • Ser • His • Asp • Zn2+

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