The Human Lens Focuses Light on the Photoreceptor Cells by

question 155

Multiple Choice

The human lens focuses light on the photoreceptor cells by

• A) moving up and down.
• B) moving in and out.
• C) changing shape.
• D) opening and closing.
• E) dilating and constricting.

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Stale Bread

Bread that has lost its freshness and become hard and dry due to exposure to air, resulting in a change in texture and taste.

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Diploid

A cell or organism having two sets of chromosomes, one from each parent, typical of somatic cells in animals and plants.

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A long-chain polymer of N-acetylglucosamine, a derivative of glucose, found in the exoskeletons of arthropods and cell walls of fungi.