The First Step in the Visual Transduction Process That Occurs

question 63

Multiple Choice

The first step in the visual transduction process that occurs in the retina is

• A)activation of amacrine cells.
• B)absorption of scattered light by the pigmented epithelium.
• C)interruption of the dark current.
• D)absorption of light by photopigments.
• E)generation of action potentials in the optic nerve.

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Definitions:

Chromium

A lustrous, hard, and brittle metallic element used in alloys to increase strength and corrosion resistance.

Krypton

A chemical element with the symbol Kr and atomic number 36, a noble gas used in lighting and photography.

Cobalt

A chemical element with the symbol Co and atomic number 27, known for its metallic properties and use in alloys and batteries.

Mixture

A combination of two or more substances in which each substance retains its chemical identity and properties.