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Question 20

The diagram shows the different neural pathways connecting photoreceptors to bipolar cells in the human retina.

Diagram showing retinal neural pathways. Pathway A shows three rod cells synapsing onto a single bipolar cell (retinal convergence). Pathway B shows three cone cells, each synapsing with its own separate bipolar cell.

Explain how the structural differences between Pathway A (rod cells) and Pathway B (cone cells) result in differences in visual sensitivity and visual acuity.

[2]

The eye Questions

  1. GCSE
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  3. /The eye