exam_1_2008_solutions

exam_1_2008_solutions - BIOL 4087 Section 4 Spring 2008...

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1 BIOL 4087 Section 4 Spring 2008 Exam 1 Feb. 14 2008 Part 1: Multiple Choice. Pick the best answer: 5 points each 1. Which of the following amino acid side chains is most likely to be found near the surface of a protein in water? a) Val b) Arg c) Leu d) Phe 2) An RNA polymerase transcribes from a DNA template with the sequence 5’GGACTGAAATAG3’. Writing the sequence form 5’ to 3’ (for the RNA) and from amino to carboxy (for the peptide), the RNA and proteins sequences are, respectively: a) CUAUUUCAGUCC, Leu-Phe-Gln-Ser b) CCUGACUUUAUC, Leu-Phe-Arg-Ser c) CCUGACUUUAUC , Ser-Arg-Phe-Ser d) CUAUUUCAGUCC, Ser-Gln-Tyr-Ser 3) Which of the following phenomena are present in prokaryotic transcription, but not present in eukaryotic transcription? a) TATA binding protein (TBP) guides transcription factors to the promoter sequence b) Sigma factor guides RNA polymerase to the promoter sequence c) Both of the above d) None of the above 4) Hemoglobin contains four subunits. The arrangement between them constitutes the protein’s a) Primary structure b) Secondary structure c) Tertiary structure d) Quaternary structure
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2 5) The ribosome recognizes the correct amino-acyl-tRNA through a) The identity of the amino acid b) The three letter sequence in the anticodon c) The base pairs in the acceptor stem d) All of the above 6) For the polypeptide sequence nMet-Gly-Arg-Arg-Ala-Leu-Leu-Lys-Asp-Phe-Asn
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exam_1_2008_solutions - BIOL 4087 Section 4 Spring 2008...

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