RNA primers are added, what do they provide to DNA polymerase that is essential to its function?

a. a free 5' phosphate
b. partially double stranded DNA
c. RNA
d. a free 3' OH


Answer: d. a free 3' OH

Biology & Microbiology

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Which of the following enzymes is required for a transposon to move?

A. Integrase B. Jumpase C. Splicase D. Transposase

Biology & Microbiology

A consequence of the tendency of the human to gain excess weight is an increased risk of developing high blood pressure, diabetes, cancer, and heart disease.

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

Biology & Microbiology

Some pathogens can only cause disease if they enter through a specific ____ of ____

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

An ecologist samples the abundance of various species along an environmental gradient and fails to find clusters of species. Instead, peaks of abundance of dominant species are merely randomly spaced segments along a continuum

This distribution of species supports the A) unified concept of a community. B) organismic concept of a community. C) individualistic or continuum concept of a community. D) successional concept of a community.

Biology & Microbiology