Because of the Presence of Both Activation and Inactivation Gates

question 74

Multiple Choice

Because of the presence of both activation and inactivation gates, voltage-gated Na⁺ channels can

• A)be closed but capable of opening
• B)be activated
• C)be closed and not capable of opening
• D)exhibit all of the above events
• E)exhibit only the a and b events

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Definitions:

Straight-Line Depreciation

A method of calculating the depreciation of an asset, dividing its cost minus salvage value by its useful life, resulting in equal annual depreciation expenses.

Net Present Value

A method used in capital budgeting to evaluate the profitability of an investment or project, calculating the difference between the present value of cash inflows and outflows.

Present Value Index

A calculation that compares the present value of cash inflows to the initial investment, often used in capital budgeting.

Compound Interest

The calculation of interest on the initial principal and also on the accumulated interest of previous periods.