試題詳解

複選題
28. Which of the following statements is correct regarding riboswitches?
(A) Most riboswitches are trans-regulatory elements.
(B) Riboswitches can regulate gene expression at both transcriptional and translational levels.
(C) The riboswitch region that binds the small-molecule ligand is called the receptor.
(D) Riboswitches are typically found downstream of genes involved in the synthesis of the metabolite ligand recognized by the riboswitch.
(E) Riboswitches can mediate rho-dependent transcription termination.