Test3(2)

Test3(2) - BCH 4053 July 21, 2000 (5) 1. HOUR TEST 3 NAME_...

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BCH 4053 July 21, 2000 HOUR TEST 3 NAME_____________________ (5) 1. DNA from a bacterial virus was analyzed and found to have the composition: 21% A, 28% G, 26% T, and 24% C. (a) What is unusual about this composition? (b) What does the composition suggest to you about the structure of this DNA? Page Points 1 ____ 2 ____ 3 ____ 4 ____ Total ______ (12) 2. Name the following structures, and indicate whether they can be found in DNA, RNA, or both. NH N N O NH 2 N O H H H H H OH O P -O O O- HN O O CH 3 N O OH O H H H H P O O- HO O- N N H NH 2 O HN O O CH 3 N O H OH H H H H HO N N N N NH 2 O O H O H H H H H HO NH N N H N O NH 2 (9) 3. Which form of DNA helix ( A , B , or Z ): (put answer in blank) ____ has the greatest tilt angle of the base pairs? ____ has deoxyguanosine in the syn conformation? ____ is favored by high GC content? ____ has a left-handed helix? ____ is favored by low humidity? ____ is formed by RNA-DNA hybrids?
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BCH 4053 --Hour Test 3 Page 2 Name________________________ (8) 4. Both the Sanger and the Maxam-Gilbert methods of sequencing DNA generate sets of
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This note was uploaded on 05/22/2011 for the course BCH 4053 taught by Professor Logan during the Fall '06 term at FSU.

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Test3(2) - BCH 4053 July 21, 2000 (5) 1. HOUR TEST 3 NAME_...

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