[Answer] Which of the following is a function of a poly-A tail in mRNA? A.It is a sequence that codes for the binding of RNA polymerase to the DNA. B.It helps protect the mRNA from degradation by hydrolytic enzymes. C.It indicates the site of translational termination. D.It adds the modified guanine to the 3′ end of the mRNA.

Answer: B
Which of the following is a function of a poly-A tail in mRNA? A.It is a sequence that codes for the binding of RNA polymerase to the DNA. B.It helps protect the …

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