key term - Extension Process

Definition

The extension process in DNA replication is the phase where new DNA strands are synthesized by adding nucleotides to the primer, which is complementary to the template strand.

Related terms

Primer: A short strand of RNA or DNA (generally about 18-22 bases) that serves as a starting point for DNA synthesis.

DNA Replication:

The biological process of producing two identical replicas of DNA from one original DNA molecule.

Nucleotide:

The basic building blocks of nucleic acids such as DNA and RNA; composed of a sugar, a phosphate, and a nitrogenous base.