If color is an inherited trait in beetles, and birds are more likely to eat brown beetles than green beetles, a. the frequency of the green allele will increase. b. the frequencies of the brown and green alleles will not change. c. this causes the population to evolve due to genetic drift. d. the frequency of the brown allele will increase. e. this causes the population to evolve due to gene flow.

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

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Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users