Question

which enzyme is responsible for adding nucleotides?○ ligase○ dna polymerase○ helicase○ primase

Explanation:

• Ligase joins DNA fragments, not adds nucleotides.
• DNA polymerase catalyzes the addition of complementary nucleotides to a growing DNA strand during replication.
• Helicase unwinds the DNA double helix, exposing template strands.
• Primase synthesizes short RNA primers to initiate DNA replication, not add the main DNA nucleotides.

Answer:

DNA polymerase