Perception of Sour Tastes Depends Upon _________

question 27

Multiple Choice

Perception of sour tastes depends upon _________.

• A)a compound interacting with a G protein coupled receptor on the receptor cell surface
• B)sodium ions in the food that enter cation channels in the taste receptor plasma membrane,leading to a membrane depolarization
• C)protons in the food that enter cation channels in the taste receptor plasma membrane,leading to a membrane depolarization
• D)potassium ions in the food that enter cation channels in the taste receptor plasma membrane,leading to a membrane depolarization
• E)protons in the food that enter cation channels in the taste receptor plasma membrane,leading to a membrane hyperpolarization

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Definitions:

Levator

A term referring to any muscle used for lifting or raising body parts.

Hordeolum Externum

Hordeolum Externum is a bacterial infection of the glands at the base of the eyelashes, commonly known as an external stye.

Refract Light Rays

The bending of light as it passes from one substance into another substance that has a different density, a fundamental principle in optics.

Receptor

A protein molecule that receives and responds to chemical signals in the body.