Definition, Meaning & Synonyms

complementary-strand

noun

kəmˈplɛməntəri strænd

Definition

A complementary strand refers to a nucleic acid strand that pairs with another strand due to specific base pairing rules, typically found in DNA and RNA.

Examples

The sequence of bases on one DNA strand determines the complementary strand’s sequence.
During replication, each original strand serves as a template for the synthesis of a complementary strand.
RNA’s complementary strand is synthesized during transcription from the DNA template.

Meaning

In the context of molecular biology, a complementary strand is essential for the processes of DNA replication and transcription, where it serves as a template to create a new strand.