Regarding phage replication,
A. the majority of phages are temperate.
B. when integrated into host DNA, the phage DNA is called a prophage.
C. lambda is a good example of a temperate phage.
D. All of the choices are correct.
D
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In a family that starts with you, your grandchildren would be the ________ generation.
A) P1 B) P2 C) F1 D) F2
Which of the following accounts for the negative
control of operons? a. promoters b. repressors c. structural genes d. operators e. all of these
The chance of producing an offspring of genotype Aa BB cc from a cross of Aa Bb Cc with Aa Bb Cc
is a. 1/64. b. 1/32. c. 3/64. d. 1/16. e. 3/32.
You have isolated DNA from actively replicating cells. Where would you expect to find this DNA on a gel?
A) DNA would be highly supercoiled and would be found in the band seen in the positive pole (bottom) of Lane 1. B) DNA would be predominantly relaxed and would be found in the band seen in the positive pole (bottom) of Lane 1. C) DNA would be highly supercoiled and would be found in the band seen in the negative pole (top) of Lane 1. D) DNA would be predominantly relaxed and would be found in the band seen in the negative pole (top) of Lane 1. E) DNA would be both relaxed and supercoiled, so it would appear in a pattern similar to Lane 2.