The Depolarization Phase of an Action Potential Requires _____

question 20

Multiple Choice

The depolarization phase of an action potential requires _____.

• A)opening of K⁺ channels in the membrane
• B)opening of Na⁺ channels in the membrane
• C)opening of Ca²⁺ channels in the membrane
• D)a K⁺ concentration gradient across the membrane
• E)a Ca²⁺ concentration gradient across the membrane

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Definitions:

Durable Goods

Durable goods are items with a long useful life, typically three years or more, such as appliances and vehicles, which consumers purchase with the expectation that they will not need to be replaced frequently.

Capital Equipment

Long-term assets such as machinery, vehicles, or infrastructure that a business uses in its operations to produce goods or services.

Depreciation

Depreciation is the process of allocating the cost of a tangible asset over its useful life, reflecting the decrease in the asset's value over time.

Nominal GDP

The total worth of all end products and services generated inside a nation over a specific timeframe, valued at present market prices.