The Reaction That Transduces Light into an Electrical Signal in Rods

question 90

Multiple Choice

The reaction that transduces light into an electrical signal in rods is the

• A) bleaching of rhodopsin by light.
• B) elicitation of action potentials in rods.
• C) turning red of rhodopsin.
• D) inhibition of action potentials in rods.
• E) elicitation of action potentials in cones.

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Definitions:

Epiphysis

The end part of a long bone, initially growing separately from the shaft and later fusing to form mature bone.

Periosteum

A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Endosteum

A thin vascular membrane that lines the inner surface of the bone in the medullary cavity.

Supination

The outward rotation of the forearm or foot, a movement that can influence the body's alignment and function.