IB Biology Sub-topic D1.1 Definitions
This page contains our IB Biology definitions for sub-topic D1.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Further DNA replication'.
HL
acetylation
The addition of an acetyl group to histone N-terminal tails prevents the nucleosome from packing together and loosens the H1 protein to allow for DNA replication or transcription
HL
lagging strand
The strand that has the replication fork running in the 3' to 5' direction and replication in the 5' to 3' direction
HL
leading strand
The strand that has the replication fork and replication both running in the 5' to 3' direction
HL
Sanger sequencing
A method of base sequencing that involves the use of ddNAs
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