Which of the Following Is a Function of the Membrane

question 96

Multiple Choice

Which of the following is a function of the membrane proteins called transport proteins?

• A) They bind to specific extracellular molecules to trigger a cellular change.
• B) They regulate the passage of ions.
• C) They are enzymes.
• D) They serve as anchors or stabilizers for the cell membrane.
• E) They are used as a source of energy.

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Definitions:

Fovea

A tiny pit located in the macula of the retina that provides the clearest vision of detail by containing the highest concentration of cones, the photoreceptors responsible for color vision.

Retina

The light-sensitive layer at the back of the eye that converts light images into electrical signals sent to the brain.

Cones

are photoreceptor cells in the retina of the eye responsible for color vision and visual acuity under bright light conditions.

Optic Nerve

The nerve that transmits visual information from the retina to the brain.