Biology A (Salters-Nuffield) A-Level
Phytochrome
What Phytochrome means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Phytochrome
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Reference: Pearson Edexcel
A photoreceptor protein with two interconvertible forms, Pr and Pfr, which absorb red light at about 660 nm and far-red light at about 730 nm.
Topics that use Phytochrome
- Topic 8: Grey Matter (Pearson Edexcel A-Level)
Related terms
- Animal experiments
- Animal models in neuroscience research
- Antagonistic muscle action
- Autonomic control of the pupil
- Benefits
- Cell signalling
- Cerebral hemispheres
- Co-ordination
Using Phytochrome in the exam
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