Problem_Set7_Answer

Problem_Set7_Answer - Genetics 380 : Spring 2008 Problem...

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Genetics 380 : Spring 2008 Problem Set 7 Answers Chapter 7 1. The volume of average E. coli cell = 3.14 x 5,000 2 x 20,000 A 3 = 3.14 x 5 x10 11 A 3 The volume of E. coli DNA = 3.14 x 10 2 x 3.4 x 4.6 x 10 6 A 3 = 3.14 x 1.56 x 10 9 A 3 % of E. coli cell volume used by its DNA =(3.14 x 1.56 x 10 9 /3.14 x 5 x 10 11 ) x100 = 0.31% (or roughly 1 part in 320). 2. For each of the terms in left column, choose best matching phrase in the right column- _4__a. Telomere 1. Repetitive DNA found near the centromere in higher eukaryotes. _7__b. Nucleosome 2. Small basic proteins that bind to DNA and form the core of the nucleosome. _1__c. Satellite DNA 3. A complex of proteins in the center of a chromosome to which loops of chromatin are attached. _6__d. Chromatin. 4. Specialized structure at the end of a linear chromosome. _2__e. Histones 5. Giant chromosomes in Drosophila salivary glands. _3__f. Scaffold 6. Complexes of DNA and proteins in the eukaryotic nucleus. _5__g. Polytene chromosomes
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This note was uploaded on 04/29/2008 for the course BIOLOGY 447:380 taught by Professor Sinha during the Spring '08 term at Rutgers.

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Problem_Set7_Answer - Genetics 380 : Spring 2008 Problem...

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