Question

Which of the following act as chain terminator?

• A. Exogenous
• B. DNA
• C. Deoxynucleotides
• D. Dideoxynucleotides

Answer 1

Answer:

D. Dideoxynucleotides

A complementary strand is synthesized by the DNA polymerase and whenever an analog which is basically a dideoxynucleotide is incorporated in the growing chain, the chain is terminated.