Biology A-Level
cleavage furrow
What cleavage furrow means in Biology A-Level, as defined for AQA.
Definition of cleavage furrow
Check what you remember
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Reference: AQA
In an animal cell, a ring of protein filaments just beneath the cell-surface membrane contracts, pinching the membrane inwards to form this, which deepens until the cell is separated into two.
Topics that use cleavage furrow
- All cells arise from other cells (AQA A-Level)
Related terms
- acid hydrolysis and squashing
- anaphase
- attachment protein and receptor
- cell plate and Golgi vesicles
- centromere attachment
- chromatid separation
- chromosome number maintained
- circular DNA replication
Using cleavage furrow in the exam
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