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IB Biology SL D1.1.1 Dna Replication Questions

DNA replication produces an exact copy before cell division, maintaining genetic continuity for reproduction, growth and tissue replacement. Parent strands act as templates for new strands built by complementary base pairing.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain why DNA is replicated before mitosis so each daughter nucleus receives an identical DNA copy and genetic continuity is maintained.
  • Explain DNA replication using parent template strands, complementary base pairing and free nucleotides to form new strands.

IB Biology SL D1.1.1 Dna Replication Questions question 1

[Maximum number: 1]

What is required to replicate DNA?

A

Temperature of 37∘C37^{\circ} \mathrm{C}

B

Free nucleotides carrying A, C, G and T bases

C

Plasmids

D

Endonuclease

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