Biology, 14.12.2019 05:31 gabriellarose2930
In the first step of their experiments, jacob and monod treated e. coli cells with ultraviolet light or x-rays to
a) decrease the rate of gene expression
b) induce dna repair enzymes
c) increase the frequency of mutations in all genes
d) selectively mutate the lac operon, leaving all other genes unmutated
Answers: 2
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Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.
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Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas
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Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43
Answers: 1
In the first step of their experiments, jacob and monod treated e. coli cells with ultraviolet light...
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