sample exam 1 ans

sample exam 1 ans - Biology 302 Abbreviated Exam 1...

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Biology 302 Abbreviated Exam 1 Name:_ANSWERS_ True-False If the answer is false, explain why. (2 points each): _T__ The compound CH 3 CH 2 CH 2 CH 3 is considered to be non-polar. _T__ Covalent bonding of amino acids is responsible for the primary structures of proteins. _F__A particular enzyme requires proline at amino acid position 132 in order for it to bind to its substrate correctly. As a result, binding to the substrate is predicted to be more efficient at pH 4.0 than at pH 8.0. PROLINE IS NOT BASIC OR ACIDIC _T__ Purines are nine-membered nitrogen containing ring compounds found in both RNA and DNA. _T__ In double-stranded DNA the two strands of DNA are in an anti-parallel orientation. 1
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(5 points) Illustrate the general structure and describe the properties of an amphipathic alpha helix. Explain why these types of helices tend to associate with one another to form what are termed “coiled-coils”. LOOK THIS UP IN TEXT OR NOTES
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sample exam 1 ans - Biology 302 Abbreviated Exam 1...

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