The Observation That the Acetylcholine Released into the Junction Between

question 50

Multiple Choice

The observation that the acetylcholine released into the junction between a motor neuron and a skeletal muscle binds to a sodium channel and opens it is an example of a

• A)voltage-gated sodium channel.
• B)voltage-gated potassium channel.
• C)ligand-gated sodium channel.
• D)second-messenger-gated sodium channel.
• E)chemical that inhibits action potentials.

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Definitions:

Biomass

The total mass of organisms in a given area or volume, an important energy source and ecological metric for understanding ecosystems.

Biogeochemical Cycle

A nutrient moves among environmental reservoirs and into and out of food webs.

Earth's Sediments

Particles of organic or inorganic material that have been transported and deposited by wind, water, or ice, forming layers on the Earth's surface.

Biological Components

Essential elements, structures, or molecules that are part of or necessary for the living organisms' life cycles and processes.