In the first stage of RNA interference, a __________ RNA precursor is cleaved by

Question

In the first stage of RNA interference, a __________ RNA precursor is cleaved by the _______ enzyme. The cleaved molecules are approximately ____ (insert number) bases in length and are called ___ RNA if the RNA originated from a virus or ____RNA if the RNA was of endogenous origin (if the RNA precursor was produced artificially, it's called ___RNA). The cleaved RNA is then seperated into _______ RNA, which then binds to the ribonuclease complex called _______. The short RNA moleculaes can then target the complex to ____RNA with a ______ sequence, which is then cut at that site.

Word bank: (words can be used one, more than once or not at all)

RNAi
mi
m
RISC
sh
complementary identical
si
r
Dicer
Double-stranded
hp
t
Single-stranded

Explanation / Answer

(The words are in order of the blanks)

double stranded

Dicer

20-25

mi

mi

si

single-stranded

RISC(RNA-induced silencing complex)

m

complementary identical

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