With Respect to How MiRNAs Work, Which, If Any, of the Following

question 4

Multiple Choice

With respect to how miRNAs work, which, if any, of the following statements, is false?

• A) An miRNA is initially composed of two RNA strands, a passenger strand that will be destroyed and a complementary RNA, the guide strand, that is required for it to work.
• B) an active miRNA regulates target protein-coding genes by binding to complementary sequences in the mRNA
• C) A single miRNA normally binds to transcripts from just one target gene
• D) A single type of mRNA can be regulated by multiple different miRNAs.

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Definitions:

Portfolio

A collection of various investments held by an individual, company, or financial institution.

Risky Bond Portfolio

A collection of bonds with higher default risk, which may offer higher yields in compensation for the increased risk of loss.

Standard Deviation

A statistical measure of the dispersion or variability of a set of values, representing how spread out the numbers are from the mean.

Correlation

A statistical measure that describes the extent to which two variables move in relation to each other, indicating the strength and direction of their relationship.