Biology B A-Level
Semi-conservative DNA replication
What Semi-conservative DNA replication means in Biology B A-Level, as defined for Pearson Edexcel.
Definition of Semi-conservative DNA replication
Check what you remember
Read the wording for your board, then hide it and explain Semi-conservative DNA replication in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
DNA helicase breaks hydrogen bonds, DNA polymerase joins adjacent nucleotides, and DNA ligase joins fragments.
Topics that use Semi-conservative DNA replication
- Topic 1: Biological Molecules (Pearson Edexcel A-Level)
Related terms
- Condensation reaction
- Dipole
- Enzyme specificity and induced fit
- Factors affecting rate of enzyme activity
- Gene mutation
- Lipid roles
- Nitrate ions
- Nucleotide
Using Semi-conservative DNA replication in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology B questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology B A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge