Which of the following prevents the digestion of mRNA by exonucleases?
Amethyl-guanosine cap
Bmethylene blue
Cpoly(A) tail
Dbromophenol blue
Answer:
A. methyl-guanosine cap
Read Explanation:
The methylguanosine cap at the 5’ end of the mRNA prevents its digestion by the exonucleases and also plays an important role in the initiation of translation.
