A 4. You are given three different substances that are known mutagens. Using a variety of techniques, you analyze the results of exposure to these substances. Your findings are shown in the table below. Using this data, link each of the three substances with one of the following molecular properties and explain your choice. B C 1. Substance II. III. One mutagen that looks like cytosine but forms a covalent bond with guanine One mutagen that can bind with either adenine or guanine A molecule that can insert itself between two base pairs in a DNA strand Result of exposure Increases the number of mutants that produce mRNA with AGA codons instead of AAA codons Significantly fewer viable colonies Increase in mutants containing frameshift mutations

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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4. You are given three different substances that are known mutagens. Using a variety
of techniques, you analyze the results of exposure to these substances. Your
findings are shown in the table below. Using this data, link each of the three
substances with one of the following molecular properties and explain your choice.
B
C
I.
Substance
II.
III.
One mutagen that looks like cytosine but forms a covalent bond with
guanine
One mutagen that can bind with either adenine or guanine
A molecule that can insert itself between two base pairs in a DNA strand
Result of exposure
Increases the number of mutants that produce mRNA with AGA codons
instead of AAA codons
Significantly fewer viable colonies
Increase in mutants containing frameshift mutations
Transcribed Image Text:A 4. You are given three different substances that are known mutagens. Using a variety of techniques, you analyze the results of exposure to these substances. Your findings are shown in the table below. Using this data, link each of the three substances with one of the following molecular properties and explain your choice. B C I. Substance II. III. One mutagen that looks like cytosine but forms a covalent bond with guanine One mutagen that can bind with either adenine or guanine A molecule that can insert itself between two base pairs in a DNA strand Result of exposure Increases the number of mutants that produce mRNA with AGA codons instead of AAA codons Significantly fewer viable colonies Increase in mutants containing frameshift mutations
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