Which of the following best describes the purine riboswitch?

Which of the following best describes the purine riboswitch?

Which of the following best describes the purine riboswitch? 150 150 Nyagu

Question Description
I’m working on a biology question and need an explanation to help me understand better.

Which of the following best describes the purine riboswitch?

Group of answer choices

Guanine causes RNA to change conformation, producing a transcription terminator structure that removes RNA polymerase.

Guanine causes the formation of a stem-loop terminator structure, which is processed by the Dicer to form the RITS.

Guanine causes the modification of the RNA polymerase CTD, which results in the premature termination of transcription.

Guanine causes the formation of a stem-loop terminator structure, which is processed by the Dicer to form the RISC.