Tutorial VII

Tutorial VII - the long axis. Q9) No water should be found...

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Intro. to Biochem. Adam Salem 12/1/06 Tutorial VII Q1) GC base pair: 10.86 A Q2) AT base pair: 10.86 A Q3) The diameter of the DNA double helix does not vary depending on the base pair composition. Q4) Yes, the helical pattern becomes imminent after stacking a few bases Q5) Q6) Length of a complete turn of the DNA helix: 32.4 A Q7) Distances between stacked bases: 3.4 Q8) What do you observe about the arrangement of bases in the center of the helix? The purine and pyrimidine bases are stacked inside the double helix – perpendicular to
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Unformatted text preview: the long axis. Q9) No water should be found in the center of the helix, since the hydrophobic purine and pyrimidine structures are in the center of the helix. Q10) Hydrogen bonding between complementary base pairs, and base-stacking interactions are two major forces which contribute to the stability of the DNA double helix. Q11) The hydrogen bonds are perpendicular to the long axis. Q12) Q13) There are three hydrogen bonds in the G-C base pair. Q14) There are two hydrogen bonds in the A-T base pair. Q15)...
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This note was uploaded on 11/02/2008 for the course BIO 101 taught by Professor Martin during the Fall '08 term at Rutgers.

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