Biology A-Level
Abscisic acid
What Abscisic acid means in Biology A-Level, as defined for OCR.
Definition of Abscisic acid
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Reference: OCR
Acts as a stress hormone, promoting stomatal closure and maintaining seed dormancy.
Topics that use Abscisic acid
- Plant and animal responses (OCR A-Level)
Related terms
- Adrenaline and fight-or-flight
- Autonomic control of heart rate
- Autonomic nervous system
- Auxin
- Auxin (IAA)
- Auxins
- Cerebrum
- Comparison of muscle tissue types
Using Abscisic acid in the exam
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