The DNA double helix is composed of two strands of DNA;

each strand is a polymer of DNA nucleotides.
Each nucleotide consists of a sugar, a phosphate group, and one of four nitrogenous bases.
The structure and orientation of the two strands are important to understanding DNA replication.

Respuesta :

Answer:

The new DNA strand that grows continuously in the 5' to 3' direction is called the

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