Which of the Following Statements Best Describes SiRNA

question 19

Multiple Choice

Which of the following statements best describes siRNA?

• A)a short double-stranded RNA,one of whose strands can block gene expression
• B)a double-stranded RNA that is formed by cleavage of hairpin loops in a larger precursor
• C)a portion of rRNA that allows it to bind to several ribosomal proteins in forming large or small subunits
• D)an RNA sequence that can block the expression of some transposons

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Definitions:

Lacrimal

Pertaining to tears or the glands that produce tears, which are essential for lubricating and protecting the eyes.

Tarsals

A group of seven bones in the foot located between the lower leg bones and the metatarsals, contributing to the structure of the ankle.

Patella

The patella, a tiny, flat, triangle-shaped bone positioned at the forefront of the joint in the knee.

Fibula

A long, thin bone of the lower leg, situated lateral to the tibia, that stabilizes the ankle and supports lower leg muscles.