Which Statement Regarding the Ligand-Gated Channel at the Vertebrate Neuromuscular

question 38

Multiple Choice

Which statement regarding the ligand-gated channel at the vertebrate neuromuscular junction is false?

• A) It binds acetylcholine.
• B) K⁺ travels through this channel when it is open.
• C) Two acetylcholine molecules need to bind to the intracellular side of the receptor.
• D) When the channel opens, ions depolarize the membrane.

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Definitions:

Mechanoreceptors

Sensory nerve endings that respond to mechanical stimuli such as touch, pressure, vibration, and stretch.

Taste Description

The verbal expression used to describe the flavors perceived by the tongue, such as sweet, sour, bitter, salty, and umami.

Fattiness

The quality of containing or consisting of fat, often referring to the composition of food or the storage of fat in organisms.

Umami

One of the five basic tastes, recognized for its savory or meaty flavor, attributed to the presence of glutamates or nucleotides.