ry 4033 Fall 2014 First Name 1. Make your best choice (one correct answer for ea

Question

ry 4033 Fall 2014 First Name 1. Make your best choice (one correct answer for each evaestine) 1. The conjugate acid o NH HCI 2. The PI of amino acids ne and glycine are 9.2 and 6 o the two amino aods dissolved and subjected to ectrophoresis in a buffer solution of pH Both will moved to the positive end B. Both will moved to the negative end C. Both will not move D. lysine moves to positive end while glycine moves to negative end E. ysine moves to negative end while glycine moves to positive e 3. Which of the following best represents the backbone arrangement of two peptide bonds? A. Ca-C-N-Ca-C--N B. Ca-N-C-C-N-Ca D. Ca-N-Ca-C-Ca-N-Co-C E. Ca- Ca-C-N- Ca- Ca-C 4. In a mixture of the five proteins listed below, which should elute out second in a size- exclusion (gel- filtration) chromatography? B. ribonuclease A Mr 13100 Mr 13,000 A. cytochrome c D. RNA polymerase Mt 450,000 C. immunoglobulin G Mr 145,000 Mr 68,500 E. serum albumin 5. Which of the following are most likely to be found in extreme environmental condito A. plants, B. Bacteria C. Animals CD, Archaea 6. The bacterium E. coli requires simple organic molecules for growth and energy-it Clithotroph. therefore a B.chemoheterotroph A. chemo autotroph E.photoheterotroph D. photo autotroph are more st 7. The major reason that antiparallel B-stranded protein structures parallel B-stranded structures is that the latter:

Explanation / Answer

The conjugate acid of NH3 is NH4+

This is as NH3 + H2O < --> NH4+   + OH-

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