Biology, 18.03.2021 03:10 juliaduenkelsbu
The Trp operon is a coordinately regulated group of genes (trpA – trpE) that are required for tryptophan biosynthesis in E. coli. Based on the figure below, which of the following correctly describes the regulation of the Trp operon? I have AP Biology corrections due today and I've got no clue what the answer is. Thank you!
Answers: 3
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Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?
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Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.
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The Trp operon is a coordinately regulated group of genes (trpA – trpE) that are required for trypto...
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