Bio362-exam 3-2 2009 - Bio362-2009 Question 1(12 points...

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Bio362-2009 Exam III Name 1 Question 1. (12 points) Briefly describe ALL functions and properties (WHAT they do, WHEN they do it and HOW they do it) of these Proteins : 1. eIF4F 2. IF3 3. MerG 4. eIF2
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Bio362-2009 Exam III Name 2 Question 2. (10 Points) Write the nucleotide sequence of all STOP CODONS . (1 points) What nucleotide do they all start with and why? (1 points) Name protein factors used in Prokaryotic cells that recognize these stop codons and indicate which factor recognizes which stop codons? (2 points) Name protein factors used in Eukaryotic cells that recognize these stop codons and indicate which factor recognizes which stop codons? (2 points) How does recognition of a stop codon lead to the release of the nascent polypeptide and termination of protein synthesis? (4 points)
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Bio362-2009 Exam III Name 3 Question 3 (10 Points) a) Write all possible anticodons for Ile codons (PLEASE NOTE THAT ILE-tRNAs DO NOT HAVE Inosine MODIFICATIONS). Please make sure that you write the correct directionality of the anticodons.
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