You mutagenized bacteria and isolated two mutants that you suspected to be defective in DNA synthesis. You measured incorporation of radioactivity (Y- axis) for various times (X-axis) at two temperatures (30 deg C shown as open circles and 40 deg C shown a filled circles in both figures) for the two mutants of bacteria (left and right figures). The results are shown in the accompanying figure. For the following statement, answer True or False.
You mutagenized bacteria and isolated two mutants that you suspected to be defective in DNA synthesis. You measured incorporation of radioactivity (Y- axis) for various times (X-axis) at two temperatures (30 deg C shown as open circles and 40 deg C shown a filled circles in both figures) for the two mutants of bacteria (left and right figures). The results are shown in the accompanying figure. For the following statement, answer True or False.
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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Transcribed Image Text:You mutagenized bacteria and isolated two mutants that you suspected to be
defective in DNA synthesis. You measured incorporation of radioactivity (Y-
axis) for various times (X-axis) at two temperatures (30 deg C shown as open
circles and 40 deg C shown a filled circles in both figures) for the two mutants
of bacteria (left and right figures). The results are shown in the accompanying
figure.
For the following statement, answer True or False.
You can conclude that you have isolated mutants defective in two separate
steps of DNA synthesis.
20,000
1,000
30°O
40°
15,000-
10,000-
500
5,000-
0
120
0
Time (min)
³H-thymidine incorporated (cpm)
O True
● False
0
40
80
40 80 120
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