Edexcel Biology Topic 8 quiz
- Created by: Ryan Martin
- Created on: 08-04-13 16:06
Other questions in this quiz
2. What mV does the membrane reach during hyperpolarisation?
- -70
- -90
- +40
3. What wavelength of light does Pr absorb?
- 630nm
- 660nm
- 730nm
4. What form of summation is of several impulses to one destination?
- Spatial summation
- Temporal summation
5. Pupil's become dilated by contraction in which muscle group?
- Radial
- Circular
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