In the process of initiation, RNA polymerase and several regulatory proteins bind to a(n) ____________________ that marks the beginning of a gene

Fill in the blank(s) with correct word


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Biology & Microbiology

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Prior to the publication of Charles Darwin's book, On the Origin of Species, what was the prevailing public consensus regarding species evolution?

A. That species were permanent and unchanging B. That species evolved through physical changes that led to success C. That species were modified over time, but did not change into new species D. That species evolved by means of natural selection

Biology & Microbiology

Mutations are

a. random. b. beneficial. c. always lethal. d. always heritable. e. largely predictable.

Biology & Microbiology

During the metaphase checkpoint, what information is being checked by the cell?

A) if it is large enough to divide B) if its DNA has been replicated correctly C) if its chromosomes are properly attached to microtubules D) if there are sufficient nutrients available

Biology & Microbiology

The type of polio that involves the infection of the brain stem and medulla is

A) asymptomatic polio. B) postpolio syndrome. C) bulbar poliomyelitis. D) minor polio. E) nonparalytic polio.

Biology & Microbiology