Problem2 - How many core histone proteins are there How...

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MCB 161 Study Problems Lecture 2: Structure of DNA, chromosomes, and genomes Problems 4-7, 4-11, 4-12, 4-17, 4-29, 4-44, 4-56 from the MBOC Problems book, in addition to the below questions. Answers will be posted on the course web site. 1. Why does GC-rich DNA have a higher melting temperature than AT-rich DNA? 2. Examine the structure of the nucleosome as shown in Figure 7.22.
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Unformatted text preview: How many core histone proteins are there? How many times is DNA wrapped around these core histones? Look at the histone tails in this structure. What functions do these tails have? What effect does acetylation of these tails have on gene expression? Why does acetylation affect gene expression?...
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This note was uploaded on 01/18/2010 for the course BIO SCI 104 taught by Professor Lin during the Spring '09 term at UC Davis.

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