Which of the following statements is FALSE?
A) A prophage is phage DNA inserted into a bacterial chromosome.
B) A prophage can "pop" out of the chromosome.
C) Prophage genes are repressed by a repressor protein coded for by the prophage.
D) A prophage may result in new properties of the host cell.
E) The prophage makes the host cell immune to infection by other phages.
Answer: E) The prophage makes the host cell immune to infection by other phages.
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What would be the frequency of pink flowers in a population where the allele frequency of CR is 0.4 and the population is in Hardy-Weinberg equilibrium? Assume that CR CR is red, CRCW is pink, and CwCw is white?
A. 0.04 or 4% B. 0.16 or 16% C. 0.2 or 20% D. 0.8 or 80% E. 0.48 or 48%
The host range of a virus is
A.the geographical location in which the virus is found. B.limited by availability of its needed nutritional resources. C.always limited to one species. D. the type of organisms or cells that a virus can infect. E. the boundaries of the ecosystem in which it is found.
The largest particles of soil are referred to as ________
Fill in the blank(s) with correct word
DNA synthessis
What will be an ideal response?