With Respect to MicroRNAs, Which, If Any, of the Following

question 18

Multiple Choice

With respect to microRNAs, which, if any, of the following statements, is false?

• A) A microRNA normally works by binding to perfectly complementary sequences within an RNA transcript, usually an mRNA.
• B) Like the great majority of mRNAs an miRNA is usually produced as a larger precursor RNA that is capped and has a 3' poly(A) tail.
• C) The precursor miRNA undergoes different types of post-transcriptional cleavage by endoribonucleases that are specific for double-stranded target sequences.
• D) A nuclear endoribonuclease called dicer cleaves the miRNA precursor so that it forms a stem-loop RNA.

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Definitions:

Indecent Exposure

The crime of intentionally displaying one's genitals in public, often motivating by a desire to shock or offend others.

Pedophilia

A psychiatric disorder characterized by an adult's sexual attraction to prepubescent children.

Sexually Arousing Fantasies

Imaginative thoughts or daydreams stirred by sexual desire and pleasure, playing a key role in sexual arousal and desire.

Not Yet Entered Puberty

Not yet entered puberty describes individuals, typically preadolescents, who have not started the physical and hormonal changes associated with puberty.