A small molecule of RNA is transcribed in the nucleus. It is folded, cleaved by dicer protein, and then binds to a target

molecule of mRNA. This molecule of RNA must be ____.



a. miRNA
b. siRNA
c. an mRNA that was not properly capped
d. an mRNA that never received its poly-A tail
e. a transcript for a repressor protein


ANSWER: a

Biology & Microbiology

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The most likely explanation for the phenomenon where a protein may be found in different sub-cellular locations in different cells is

A. stabilization of the mRNA transcript B. alternative splicing C. RNA interference D. transport of mRNA from the nucleus to the cytoplasm

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Define long-term potentiation

What will be an ideal response?

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Restriction enzymes

1.are produced by human cells. 2.cleave RNA. 3.cleave DNA. 4.are man made. 5.were discovered in the 1940s.

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The ________ is a flagellated cell that sweeps water through a sponge's body

A) choanocyte B) amoebocyte C) spicule D) spongin

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