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IB Biology HL D1.1.3 Role of Helicase and Dna Polymerase Questions

Explore helicase hydrogen-bond breaking and DNA-polymerase nucleotide joining at the replication fork in IB Biology HL D1.1.3.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain how helicase unwinds the DNA double helix and breaks hydrogen bonds to separate the two strands.
  • Explain how DNA polymerase joins complementary nucleotides to a template strand to build a new DNA strand.

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Study D1.1.3—Role of helicase and DNA polymerase conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL D1.1.3 Role of Helicase and Dna Polymerase Questions question 1

[Maximum number: 1]

Explain the role of the following enzymes in DNA replication.

Explain the role of helicase in DNA replication.

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