Ncert Exercises & Solutions

Q. 27. To initiate translation, the mRNA first binds to

(a) the smaller ribosomal subunit

(b) the larger ribosomal sub-unit

(d) No such specificity exists

(a) The ribosome consists of structural RNAs and about 80 different proteins. In its inactive state, it exits as two subunits, a large subunit and a small subunit. When the smaller subunit encounters the mRNA, the process of translation of the mRNA to protein begins.

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