survey of biochemistry course review
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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. - PowerPoint PPT PresentationTRANSCRIPT
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SURVEY OF BIOCHEMISTRYCourse Review
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PRS-1
• Which amino acid contains a ring system?
1. Phe2. Ile3. Val4. Gly
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PRS-1
• Which amino acid contains a ring system?
1. Phe2. Ile3. Val4. Gly
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PRS-2
• Which enzyme is an oxidoreductase?
1. Hemoglobin2. Enolase3. GAP Dehydrogenase4. Aconitase
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PRS-2
• Which enzyme is an oxidoreductase?
1. Hemoglobin2. Enolase3. GAP Dehydrogenase4. Aconitase
What gets oxidized?
What gets reduced?
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PRS-3
• In mixed inhibition ___________.
1. Vmax increases and KM increases
2. Vmax decreases and KM increases
3. Vmax stays the same and KM increases
4. Vmax decreases and KM stays the same
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PRS-3
• In mixed inhibition ___________.
1. Vmax increases and KM increases
2. Vmax decreases and KM increases
3. Vmax stays the same and KM increases
4. Vmax decreases and KM stays the same
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PRS-4
• A fatty acid with 18 carbons and no double bonds in the alkyl chain is called:
1. Stearic acid2. Palmitic Acid3. Linoleic acid4. Arachidonic acid
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PRS-4
• A fatty acid with 18 carbons and no double bonds in the alkyl chain is called:
1. Stearic acid2. Palmitic Acid3. Linoleic acid4. Arachidonic acid
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PRS-5
• An alpha helix is stabilized by:1. Hydrogen bonds between the side chains of the
amino acids
2. Hydrogen bonds between the carbonyl oxygens and the N-H group of the adjacent residue
3. H-bonds between the carbonyl oxygens and the N-H group of the (n+3)th residue
4. H-bonds between the carbonyl oxygens and the N-H group of the (n+4)th residue
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PRS-5
• An alpha helix is stabilized by:1. Hydrogen bonds between the side chains of the
amino acids
2. Hydrogen bonds between the carbonyl oxygens and the N-H group of the adjacent residue
3. H-bonds between the carbonyl oxygens and the N-H group of the (n+3)th residue
4. H-bonds between the carbonyl oxygens and the N-H group of the (n+4)th residue
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PRS-6
• In ion exchange chromatography, the protein captured by the resin is eluted with:
1. Salt
2. Water
3. Imidazole
4. Diethylaminoethyl groups
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PRS-6
• In ion exchange chromatography, the protein captured by the resin is eluted with:
1. Salt
2. Water
3. Imidazole
4. Diethylaminoethyl groups
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PRS-7
• What reaction follows GAP dehydrogenase in glycolysis?
1. Phosphoglucomutase2. Phosphofructokinase3. Phosphoglycerate kinase4. Phosphoglycerate mutase
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PRS-7
• What reaction follows GAP dehydrogenase in glycolysis?
1. Phosphoglucomutase2. Phosphofructokinase3. Phosphoglycerate kinase4. Phosphoglycerate mutase
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PRS-8
• What is Dansyl Chloride used for?1. End group analysis in peptide
sequencing2. Staining polyacrylamide gels3. Determining protein
concentration4. Reducing disulfide bonds
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PRS-8
• What is Dansyl Chloride used for?1. End group analysis in peptide
sequencing2. Staining polyacrylamide gels3. Determining protein
concentration4. Reducing disulfide bonds
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PRS-9
• Which amino acids make up the catalytic triad of serine proteases?
1. His, Lys, Arg
2. Ser, His, Asp
3. Asp, Cys, Ser
4. Lys, Ser, Asp
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PRS-9
• Which amino acids make up the catalytic triad of serine proteases?
1. His, Lys, Arg
2. Ser, His, Asp
3. Asp, Cys, Ser
4. Lys, Ser, Asp
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PRS-10
• Which of the following is NOT a disaccharide?
1. Lactose2. Maltose3. Sucrose4. Mannose
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PRS-10
• Which of the following is NOT a disaccharide?
1. Lactose2. Maltose3. Sucrose4. Mannose
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PRS-11
• How many fused rings are found in cholesterol?
1. One2. Two3. Three4. Four
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PRS-11
• How many fused rings are found in cholesterol?
1. One2. Two3. Three4. Four
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PRS-12
• Which of the following cannot serve as a nucleophile?
1. Ser2. His3. Asp4. Zn2+
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PRS-12
• Which of the following cannot serve as a nucleophile?
1. Ser2. His3. Asp4. Zn2+