When Potassium Ion Channels Open,which of the Following Occurs

question 117

Multiple Choice

When potassium ion channels open,which of the following occurs?

• A) potassium ions flow into the axon cytoplasm
• B) the axon cytoplasm becomes more positively charged
• C) sodium ions diffuse into the axon cytoplasm
• D) all of these occur
• E) none of these occur

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Bedrock

The layer of solid rock located beneath the surface soil or sediment, acting as a foundation for terrestrial landscapes.

Climate

The long-term pattern of weather in an area, typically averaged over a period of 30 years.

Dam

A structure built across a river or stream to control the flow of water.

Erosion

The process by which natural forces like water, wind, ice, and gravity wear away land surfaces, redistributing the materials.