Midterm 3 Multiple Choice

Midterm 3 Multiple Choice - Which of the following is not...

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Which of the following is not one of the protein functions we have studied? A. Structural B. Switching C. Metabolism D. Catalysis E. Binding Which of the following is not a property that we have covered that affects binding in proteins? A. Non-Covalent Forces B. Flexibility C. Surfaces D. Solution Containing the Protein E. Complementarity Which of the following is not a property of enzymes? A. Highly Specific B. Reduce Total Gibbs Free Energy Enzymes do not affect the total delta G. C. Transform One Form of Energy Into Another D. Most Require Cofactors for Catalysis E. Enhance Reaction Rates Which of the following is not true regarding delta G? A. Delta G explains the rate of reaction. Delta G does not explain rate of reaction. B. A positive delta G requires energy. C. Spontaneous reactions have a negative delta G. D. Delta G is zero at equilibrium. E. Delta G is independent of the path of reaction. Which of the following is not a property of active sites? A. Unique microenvironment B. Cleft or crevice C. Small part of the protein D. Substrates bind by multiple strong interactions Substrates bind by multiple weak interactions. E. Specificity depends on the precise arrangement of atoms Which of the following is true of paralogs? a-They are homologs present in same specie b-They originate by gene duplication c-They may differ in function from each other. d-All of the above e-None of the above Which one of the following is true about the process of determining whether an alignment of amino acids is significant or not? A. The original alignment scores are compared with the scores of random sequences B. Alignments are run with random sequences
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C. If the authentic alignment score exceeds the score of shuffled sequences, then the two sequences are homologous D. Original sequence is shuffled into random sequences E. All of the above Which one of the following is not true about actin and Hsp-70? A. They are proteins found in the same species B. Hsp-70 is a structural protein; actin is a heat shock protein actin is a structural protein which is a major part of the cytoskeleton. Hsp-70 is a heat shock protein that helps in protein folding in the cell C. They have dissimilar function D. They originated by duplication E. They are paralogs When is a gene or protein said to be orthologs to one another? A. Homologs that are in different species. Their function is similar. They are originated by speciation. Orthologs are homologs that are in different species. Their function is similar. They are originated by speciation. B. Homologs that are in the same species. Their function is dissimilar. They are originated by duplication. C. Homologs that are in the same species. Their function is similar. They are originated by speciation. D. Homologs are in different species. Their function is dissimilar. They are originated by
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This note was uploaded on 01/31/2012 for the course PHYS 2D 2D taught by Professor Sinha during the Spring '10 term at UCSD.

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Midterm 3 Multiple Choice - Which of the following is not...

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