The eye Flashcards
1
Q
How do rod cells act as a tranducer
A
Converts light energy to electrical energy
2
Q
Why do rod cell give a black and white image
A
Cant distinguish between wavelengths of light
3
Q
How is a generator potential created in a rod cell
A
Pigments within the rod cell are broken down to create a generator potential
4
Q
What is the pigment involved in rod cells
A
Rhodopsin
5
Q
How do cone cell act as a tranducer
A
Converts light energy to electrical energy
6
Q
How do pigments in the cone cells differ to pigments in rod cells
A
They require higher light intensity in order to break down
7
Q
Define sensitivity of light
A
Ability to see low levels of light
8
Q
Define acuity
A
Ability to resolve details
9
Q
Explain how a higher acuity is given in cone cell
A
10
Q
Explain how receptors give a high sensitivity to light
A
At
11
Q
A
