Biology GCSE
Gravitropism
What Gravitropism means in Biology GCSE, as defined for AQA, OCR.
Definitions of Gravitropism
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Reference: AQA
A directional growth response to gravity, in which auxin accumulates on the lower side, promoting upward growth in shoots and downward growth in roots.
A directional growth response in which gravity causes auxin to accumulate on the lower side.
When roots grow downwards and shoots grow upwards, this shows gravitropism.
Topics that use Gravitropism
- Control and coordination (AQA GCSE)
- Coordination and control – the endocrine system (OCR GCSE)
Related terms
- Phototropism
- adrenaline
- Auxin and cell elongation
- Auxin mechanisms
- barrier methods
- Biological drawing skills
- blood glucose regulation
- cell elongation
Using Gravitropism in the exam
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