Question

First artificially synthesized gene sequence was _________________

(a) poly(U)

(b) poly(A)

(c) poly(G)

(d) poly(C)

Answer 1

Right answer is (a) poly(U)

Easy explanation: First artificial genetic message was synthesized by Marshall Nirenberg and Heinrich Matthaei, composed of uridine residues called poly(U). They were able to synthesize bacterial proteins using the poly(U), ribosomes, amino acids and soluble factors.