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:

Pollution

The contamination of the natural environment with harmful substances or energy, leading to adverse effects on living organisms and ecosystems.

Externality

An economic side effect or consequence of an industrial or commercial activity that affects other parties without this being reflected in market prices, either positively or negatively.

Steel Industry

A sector of the economy that deals with the production, distribution, and consumption of steel products.

External Costs

External costs refer to the expenses that are not directly accounted for in the purchase price of a product or service, often involving environmental or societal impacts.