Which is a false statement regarding riboswitches?
A. When the effector binds the riboswitch, it may serve to terminate transcription of its target mRNA.
B. Riboswitches are regions in the 5' untranslated leader of an mRNA.
C. The effector molecules that bind to riboswitches are proteins.
D. When the effector binds the riboswitch, it may serve to continue transcription of its target mRNA.
Answer: C
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