AcbA is cleaved by the TagC protease to produce the peptide     SDF-2.

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Rods 

Have low acuity or resolution

are sensitive to low-intensity light

receptors for night vision (scotopic vision)

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#Unit 7. System Physiology – Animal

Cones 

Higher visual acuity

responsible for vision in bright light (photopic vision) Participate in color vision

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#Unit 7. System Physiology – Animal

Inputs from eye to CNS: 

Input from the rods 

Input from the cones

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#Unit 7. System Physiology – Animal

Duplicity Theory 

The existence of these two kinds of input, each working maximally under different conditions of illumination

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#Unit 7. System Physiology – Animal

Axons of retinal ganglion cells  Received and transduced information and carried to the CNS

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#Unit 7. System Physiology – Animal

Blind spot  There are no visual receptors over the optic disk