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In which of these structures are cone cells densely packed?

In which of these structures are cone cells densely packed? Correct Answer Fovea

Cone cells are densely packed in the fovea, which is the central pit of the macula lutea. The macula lutea is a yellow-pigmented region present near the center of the retina, which is the innermost layer of the eye.

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R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
S. CD8+ cells make contact with virus infected cells and kill them.
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