Question

The first cDNA strand in 5’ RACE is tailed with oligo-dA tail.

(a) True

(b) False

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I want to ask this question from cDNA Libraries, Polyadenylated RNA and cDNA Synthesis topic in section Libraries Construction of Genetic Engineering

Answer 1

The correct answer is (a) True

Easiest explanation: The first cDNA strand in the case of 5’ RACE is tailed with an oligo-dA tail. The synthesis of the first cDNA strand is by an internal primer.