A small molecule of RNA is transcribed in the nucleus. It is folded, cleaved by the Dicer enzyme, forms a complex with proteins, which 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
Correct Answer:
Verified
Q53: When cells differentiate, they _.
A) lose DNA
B)
Q54: Transcription factors that control genes for developmental
Q55: Posttranslational modification includes _.
A) cleavage of poly-A
Q56: Sporadic cancers _.
A) may develop when proto-oncogenes
Q57: Pepsin, a digestive enzyme that degrades proteins
Q59: One function of the 3' UTR (untranslated
Q60: Cytoplasmic determinants are _.
A) key mRNAs and
Q61: Many proto-oncogenes encode _.
A) growth-inhibiting factors
B) intracellular
Q62: RNAi could be used as an anti-viral
Q63: Identify each labeled part in the following
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