Respuesta :

Answer:

DNA replication occurs in the S phase of the cell cycle. During the S phase of the cell cycle, the DNA double helix is unwound by the enzyme helicase and each single helix is duplicated by assembly of nucleotides by DNA polymerase.

Explanation:

Answer:

DNA replication occurs in the S phase of the cell cycle. During the S phase of the cell cycle, the DNA double helix is unwound by the enzyme helicase and each single helix is duplicated by assembly of nucleotides by DNA polymerase.

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