To integrate an F plasmid's genes into a host chromosome, there must be DNA recombination at homologous regions on the two circular strands. What is the minimum number of such crossover events needed for integration?
A) 1
B) 2
C) 3
D) 4
E) 8
A
Biology & Microbiology
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Ruminants have how many chambers in their stomachs?
a. one b. two c. three d. four e. five
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What is the function of the 5' cap in eukaryotic mRNA?
a. It provides an intron splicing signal. b. It helps with nuclear export. c. It provides attachment site for ribosomes. d. It stabilizes pre-mRNA.
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Transpiration harnesses the force of gravity to accelerate water transportation from the soil to the leaves.
True or False?
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