Old Test - in class review on 2-9-09

Old Test - in class review on 2-9-09 - 1 Which of the...

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1. Which of the following pairs of amino acids would be least resolvable if electrophoresed at ph 7.0? a. lys and flu b. asp and val c. tyr and leu d. phe and gly * net charge on the molecule (will not separate) e. arg and gln 2. which of the following pari of amino acids are most likely to be found in the interior of myoglobin? a. praline and cysteine b. leucine and phenylalanine c. praline and aspartic acid d. lysine and arginine e. praline and arginine 3. increased acidity in the muscles is expected to a. increase oxygen binding to myoglobin only b. decrease oxygen binding to myoglobin only c. increase oxygen binding to hemoglobin only d. decrease oxy binding to hemoglobin only e. both a and c above 4. which of the following reagents is useful in determinieng the C-terminal amino acid of a protein? a. phenylisothiocyanate b. lithium aluminumhydride c. boric acid d. dicyclohexyldimide e. chymotrypsin 5. polypeptide chain may bot react with carboxypeptidase if it: a. lacks aromatic amino acids b. lacks basic amino acids c. is circular (means that the C-terminus is not free)
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This note was uploaded on 04/14/2010 for the course BHC 3023 taught by Professor Harmen during the Spring '10 term at University of South Florida.

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Old Test - in class review on 2-9-09 - 1 Which of the...

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