Proteins That Allow the Diffusion of Ions Across Membranes in the Direction

question 80

Multiple Choice

Proteins that allow the diffusion of ions across membranes in the direction of their concentration gradients are most likely

• A)channel proteins.
• B)carrier proteins.
• C)aquaporins.
• D)active transport pumps.

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Definitions:

Basic Tastes

The five recognized fundamentals of taste perception: sweet, sour, salty, bitter, and umami.

Middle Ear

The middle ear is the section of the ear between the eardrum and the oval window, containing the three auditory ossicles, which transmit sound vibrations.

Cochlear Implants

Electronic medical devices that compensate for damaged or non-functional inner ear parts to provide a sense of sound to a person who is profoundly deaf or severely hard of hearing.

Sense of Taste

The ability to perceive and differentiate the flavors of substances, including sweetness, sourness, bitterness, saltiness, and umami.