answers study questions 2 - BIS2A Spring 2009 Comai Study...

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BIS2A. Spring 2009. Comai Study questions. Lecture 2 1. Define the side chain of the following amino acid: amino acid structure hydrophylic? a Cysteine -CH2-SH yes b Aspartic acid -CH2-COOH yes c Phenylalanine no d Glycine -H yes e Asparagine -CH2-CONH2 yes 2 . The peptide bond plays a determining role in forming this structure structure answer explanation a primary structure of protein yes it joins the different amino acids together b secondary str. of protein no H-bonds are involved c tertiary str. of protein no H-, hydrophobic-, ionic-, van der Waals, S-S d quaternary str. of protein no H-, hydrophobic-, ionic-, van der Waals, S-S e disulfide bond formation no involves -S-S- bond formation, not peptide bond 3. The hydrogen bond plays a determining role in forming this structure structure answer explanation (see above) a primary structure of protein no b secondary str. of protein yes c tertiary str. of protein yes d quaternary str. of protein yes e disulfide bond formation no - 1 -
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3. Van der Waals bonds plays a determining role in forming this structure
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