What are the primary evolutionary mechanisms that result in the great diversity and adaptation in prokaryotes?

What will be an ideal response?


ANSWER: Genetic variability primarily arises due to mutation. Prokaryotes have approximately 1,000
times more mutations per gene, per unit time, per individual, than do eukaryotes. Natural
selection then works on the large populations that result from rapid reproduction, leading
to rapid adaptation.

Biology & Microbiology

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Answer the question using the accompanying figure. Neurotransmitters and ____ are key components in the pathway

for stimulating skeletal muscle contractions.

a. A b. B c. C d. A and B e. B and C

Biology & Microbiology

Early on, researchers suspected that Dolly was

physically older than her chronological age because of the results from a study of her a. telomeres. b. blood. c. egg cells. d. brain tissue. e. teeth.

Biology & Microbiology

Dr. Sidney is treating a client with Type A personality by teaching him behavioral strategies for changing at least one characteristic per week until all the Type A traits disappear.. Dr. Sidney is practicing _____.

A. unethically B. the target-behavior approach C. the shotgun approach D. short-term therapy

Biology & Microbiology

In the lac operon, what effect does inducer binding have on repressor structure?

What will be an ideal response?

Biology & Microbiology