Biology A-Level
Auxin (IAA)
What Auxin (IAA) means in Biology A-Level, as defined for OCR.
Definition of Auxin (IAA)
Check what you remember
Read the wording for your board, then hide it and explain Auxin (IAA) in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A substance produced by the apex that inhibits bud outgrowth; applied in a paste to the cut stump it restores suppression so the buds stay dormant.
Topics that use Auxin (IAA)
- Plant and animal responses (OCR A-Level)
Related terms
- Adrenaline and fight-or-flight
- Autonomic control of heart rate
- Autonomic nervous system
- Auxin
- Auxins
- Cerebrum
- Comparison of muscle tissue types
- Dwarf mutants and hormone-replacement experiments
Using Auxin (IAA) in the exam
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