Which of the Following Facts About Riboswitches Is INCORRECT

question 26

Multiple Choice

Which of the following facts about riboswitches is INCORRECT?

• A) Binding of certain molecules to the riboswitches results in the formation of specific secondary structures of mRNA.
• B) Certain molecules that bind to riboswitches may act as repressors or inducers of transcription.
• C) Riboswitches are not only found in bacterial cells but also in archaeal, fungal, or plant cells.
• D) Riboswitches are typically found in the 3'UTR of the mRNA structure.
• E) The secondary structure that forms riboswitches typically contains a base stem and several branching hairpins.

---

Definitions:

Stratified

Referring to layers; often used to describe epithelial tissues that have layers of cells stacked one upon another.

Epithelial Tissue

A type of tissue that lines the outer surfaces of organs and blood vessels, as well as the inner surfaces of cavities in many internal organs.

Cuboidal

Describes cells that are roughly cube-shaped and can be found lining various glands and ducts in the body.

Epithelial Cell Shape

Describes the physical form of epithelial cells, commonly classified as squamous, cuboidal, or columnar.