Both rods and cones have four segments, each of which has a specialized function.

Question

Quizplus · Accepted Answer

Rods and cones have different structures and functions. Rods are responsible for vision at low light levels and have a simpler structure, typically described as having an outer segment, inner segment, cell body, and synaptic terminal. Cones, responsible for color vision and high spatial acuity, have a similar overall structure but are not described as having four segments with specialized functions in the same way that the question implies.

Both Rods and Cones Have Four Segments, Each of Which