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erastovalidia [21]
3 years ago
6

A lab technician has four strains of bacteria. Although he forgot to label them, he knows that they include one F+ strain, one H

fr strain, one F' strain, and one F- strain. He observed the following results after plating these strains on different media. Which of the following plates can be used to identify the F- strain?a. minimal media with histidine, glutamate, and cysteine
b. minimal media with streptomycin
c. minimal media with leucine and streptomycin
d. complete media
e. minimal media with histidine, glutamate, cysteine, and streptomycin
Biology
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

c. minimal media with leucine and streptomycin

Explanation:

Although F- Strain of bacteria require very minimal media due to the rate of their fertility factor but the minimal media must include at least one amino like leucine and antibiotic like streptomycin because these both are necessary for the proper replication process and indeed for the proper growth.

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<u> Allele frequencies to change from one generation to the next.-</u>

<u>B. </u><u>Mutation</u><u>; C. Random genetic drift; D. </u><u>Migration</u><u>; F. Natural selection</u>

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  • When one or more of these forces are acting, the population violates Hardy-Weinberg assumptions, and evolution occurs.

Why do allele frequencies change from one generation to the next?

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No mutation: Allele frequencies may fluctuate from one generation to the next if new alleles are produced via mutation or if alleles mutate at different rates.

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brainly.com/question/7719918

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<u>The complete question is -</u>

Identify the evolutionary forces that can cause allele frequencies to change from one generation to the next. Check all that apply

A. Inbreeding

B. Mutation,

C. random genetic drift

D. migration

E. extinction

F. natural selection

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