Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 9.3, Problem 1TYK
Summary Introduction
Introduction:
Erwin Chargaff was a scientist who worked very hard upon the nitrogenous bases. He stated that “adenine pairs to thymine with two hydrogen bonds and guanine always pairs to cytosine with the help of three hydrogen bonds.”
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Assume a single base in a RNA virus has a mutation rate of 1/1000 per generation.
Over the course of 10 generations, what is the probability that single base had at least one mutation? Assume the possible mutations are independent.
Group of answer choices
a. slightly more than 1/100
b. not close to 1/100
c. exactly 1/100
d. slightly less than 1/100
If a virus particle contained double-stranded B-DNA of 400,000 base pairs,
A. What would be the length (in Angstroms) of the DNA before packing into the virus?
B. What would be the radius of the DNA fiber before packing into the virus?
If a virus particle contained double-stranded B-DNA of 400,000 base pairs,
A. How many complete helical turns would occur on each strand?
B. How many atoms of phosphorus would be present?
C. If the mole % of G in this genome is 17%, what is the mole % of A?
Chapter 9 Solutions
Principles of Biology
Ch. 9.1 - Look ahead to Figure 17.10. How does bacterial...Ch. 9.1 - Prob. 1TYKCh. 9.2 - Prob. 1CCCh. 9.2 - Prob. 2CCCh. 9.2 - Prob. 3CCCh. 9.2 - A nucleotide composed of deoxyribose, phosphate,...Ch. 9.2 - Prob. 2TYKCh. 9.2 - Prob. 3TYKCh. 9.3 - Prob. 1TYKCh. 9.3 - To determine the structure of DNA, Watson and...
Ch. 9.4 - Prob. 1CCCh. 9.4 - Prob. 1TYKCh. 9.4 - Prob. 2TYKCh. 9.5 - Prob. 1CCCh. 9.5 - Prob. 1TYKCh. 9.5 - Prob. 2TYKCh. 9.5 - Prob. 3TYKCh. 9.6 - Prob. 1CCCh. 9.6 - A nucleosome is composed of 146 bp or 147 bp of...Ch. 9.6 - After they have replicated and become compacted in...Ch. 9.6 - Prob. 1BCCh. 9.6 - Which of the following is the correct order for...Ch. 9 - What is/are the main component(s) of chromosomes?...Ch. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Of the following statements, which is correct when...Ch. 9 - Prob. 6TYCh. 9 - Prob. 7TYCh. 9 - Prob. 8TYCh. 9 - Prob. 9TYCh. 9 - The conversion of euchromatin into heterochromatin...Ch. 9 - What are the four criteria that the genetic...Ch. 9 - What are the key features of DNA that allow it to...Ch. 9 - PRINCIPLES A principle of bioloy is that structure...Ch. 9 - Prob. 1CBQCh. 9 - Prob. 2CBQ
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- Jerome Vinograd found that when circular DNA from apolyoma virus is subjected to cesium chloride gradientcentrifugation, it separates into two distinct bands, oneconsisting of supercoiled DNA and the other of relaxedDNA. Explain how you would identify each band.arrow_forwardGiven that COVID19 has a single strand RNA for its genome, the number of rounds required to complete replicating 3 viable virus particles? a) 3 b) 4 c) 5 d) 6 e) 9arrow_forwardThe analysis of the nitrogenous bases of the nucleic acid of a newly discovered virus showed 20% adenine, 40% guanine, 10% thymine, and 30% cytosine. The viral nucleic acid is most likely ___________.arrow_forward
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