IB Biology HL 1.1.8 Functions in replication Question Bank
Practise IB Biology HL 1.1.8 by applying functions in replication concepts to exam-style questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- identify the relevant biological structure, process or evidence
- apply the correct biological mechanism to the question
- evaluate the result using data, adaptation or ecological reasoning
D1.1.8 (HL)—Functions in replication question 1
[Maximum number: 2]
Question (a)
(a)
Explain the role of the following enzymes in DNA replication.
[ 2 ]
Question (i)
(i)
Explain the role of DNA polymerase III in DNA replication.
[ 1 ]
DNA polymerase III: connects/forms (covalent) bonds between nucleotides in a 5′ to 3′ direction (OWTTE) / polymerizes nucleotides;
Question (ii)
(ii)
Explain the role of RNA primase in DNA replication.
[ 1 ]
RNA primase: forms RNA primers /short RNA strands;
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