Which sequences of RNA are spliced into functional mRNA and sent to a ribosome for translation?

a. promoters
b. terminators
c. exons
d. introns


c. exons

Biology & Microbiology

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The stage of viral replication in which the host cell produces viral nucleic acids and proteins is:

a. Release b. Attachment c. Synthesis d. Penetration e. Assembly

Biology & Microbiology

Which land plants are the only ones to make true flowers and fruits?

a. angiosperms b. bryophytes c. gymnosperms d. seedless vascular plants

Biology & Microbiology

You are given a pill in a scientific trial that looks identical to a pill containing an active ingredient, but your pill does not contain an active ingredient. The pill you were given is called a(n):

A) treatment. B) aspirin. C) tablet. D) narcotic. E) placebo.

Biology & Microbiology

Some species of tropical fireflies mimic the luminescent mating signals of females of a related species and will prey upon the males that have been attracted by the fake signal. How would you classify this behavior?

Is it Batesian mimicry, Müllerian mimicry, a third form of mimicry, or no mimicry at all? Briefly justify your answer. What will be an ideal response?

Biology & Microbiology