Plasmid vectors often contain ________ genes that can be used to screen for recombinants.

A. metabolic activation
B. promoter/operator
C. antibiotic resistance
D. insertion sequence


Answer: C

Biology & Microbiology

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Avalanches are a common disturbance to marine ecosystems.

Answer the following statement(s) true (T) or false (F)

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. During truncation selection, the realized heritability of a trait depends on the selection differential, which is the difference between the average trait value of the selected parents and the average trait value of the entire parental population. 2. To test for statistical significance of the association of a SNP with a trait, the null hypothesis in a chi-square test for independence is that the one of the SNP alleles is more common in the Cases than in the Controls. 3. The fish population is in Hardy-Weinberg equilibrium before the asteroid hit.

Biology & Microbiology

Electron transport molecules that only transfer electrons include

A. ubiquinone. B. FAD. C. NADP. D. ferredoxin.

Biology & Microbiology

In the northern hemisphere, the tradewinds blow towards which direction? (note: not the direction they originate from)

What will be an ideal response?

Biology & Microbiology