IB Biology Sub-topic B2.2 Definitions
This page contains our IB Biology definitions for sub-topic B2.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Organelles & compartmentalisation'.
eukaryote
A multicellular organism with complex cell structure and compartmentalization
hypertonic
A solution with a higher solute concentration than another solution
mutation
A random change to the base sequence of a gene
osmosis
The movement of water from a region of low solute concentration to a region of high solute concentration, across a partially permeable cell membrane
post-transcriptional modification
The process of splicing exons and removing introns from an mRNA strand after transcription to form mature mRNA for translation
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