TLS Online TPP Program

#Question id: 767


With respect to how miRNAs work, which, if any, of the following statements, is false?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. An miRNA is initially composed of two RNA strands, a passenger strand that will be destroyed and a complementary RNA, the guide strand, that is required for it to work.

  2. an active miRNA regulates target protein-coding genes by binding to complementary sequences in the mRNA

  3. A single miRNA normally binds to transcripts from just one target gene

  4. A single type of mRNA can be regulated by multiple different miRNAs.