DNA Structure and Replication - Medical Science

Q1:

When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

A Phosphate

B Cytosine

C Uracil

D Guanine

ANS:B - Cytosine

SIMPLY nucleic bases in DNA is that: guanine always pairs by three hydrogen bonds with cytosine.