WH2-W09 - BCH 100 Winter 2009 WH#2 6 points LECTURES 5-6 Read carefully and give just one answer per question due Wed 2 pm 1(1 pt The side chains(R

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BCH 100, Winter 2009 WH #2 6 points LECTURES # 5-6 due Wed. January 21, 2009, 2 pm Read carefully and give just one answer per question. 1. (1 pt) The side chains (R groups) on one beta strand that’s part of a beta sheet like the curved beta sheet in the beta barrel of a porin molecule a) have all their atoms in the same plane as the peptide bond. b) form hydrogen bonds to the backbone amide N-H and carbonyl O groups on an adjacent strand. c) are always polar side chains. d) all “stick out” away from the beta sheet but on the same side of the beta sheet. e) all “stick out” away from the beta sheet but alternating to opposite sides of the beta sheet. 2. (1 pt) Which statement is correct for the human hemoglobin molecule? a) The alpha subunits have a structure consisting of almost all alpha helices, whereas the beta subunits have a structure consisting of almost all beta conformation. b)
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This note was uploaded on 02/25/2009 for the course BCH 100 taught by Professor Staff during the Winter '08 term at UC Riverside.

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WH2-W09 - BCH 100 Winter 2009 WH#2 6 points LECTURES 5-6 Read carefully and give just one answer per question due Wed 2 pm 1(1 pt The side chains(R

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