DNA Replication Practice Worksheet showing the steps of DNA replication with diagrams and questions.

Diagram illustrating the three steps of DNA replication: initiation, elongation, and termination, with accompanying text and questions for a practice worksheet.

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- The DNA molecule is being unzipped by the enzyme helicase, which breaks the hydrogen bonds between the complementary base pairs, separating the double helix into two single strands to serve as templates.
- During the second step, DNA polymerase adds complementary nucleotides to each of the separated template strands, synthesizing two new DNA strands in a 5’ to 3’ direction.
- In the third step, DNA polymerase proofreads the newly synthesized strands to correct any errors, and then the DNA molecules rewind into their double-helix structure, resulting in two identical DNA molecules, each with one original and one new strand.

Parent Tip: Review the logic above to help your child master the concept of dna molecule and replication worksheet.

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