Which of the Following Is a Function of the Membrane

question 116

Multiple Choice

Which of the following is a function of the membrane proteins called channel proteins?

• A) They bind to specific extracellular molecules to trigger a cellular change.
• B) They permit the passage of ions, bypassing the lipid portion of the cell membrane.
• C) They are enzymes.
• D) They serve as anchors or stabilizers for the cell membrane.
• E) They are used as a source of energy.

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Definitions:

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period of time, used in capital budgeting to assess the profitability of an investment.

Required Return

The minimum amount of profit an investor expects to receive on an investment, accounting for various levels of risk.

Straight-Line Depreciation

A method of calculating the depreciation of an asset, which allocates an equal amount of depreciation each year over the asset's useful life.

Salvage Value

The forecasted salvage value of an asset when it's no longer useful, applied in determining depreciation amounts.