Which of the Following Is a Principle of the Fluid

question 50

Multiple Choice

Which of the following is a principle of the fluid mosaic model of cell membrane structure?

• A) Phospholipids form a bilayer that is largely impermeable to water-soluble molecules.
• B) All proteins associated with the cell membrane are contained in a fluid layer on the outside of the cell.
• C) Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chains.
• D) The lipid bilayer is a solid at body temperature, thus protecting the cell.

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Definitions:

Total Revenues

The total amount of money received by a company from its sales of goods or services before any expenses are subtracted.

Variable Costs

Costs that vary directly with the level of production or sales, like raw materials and labor.

Economic Profit

The financial gain that exceeds both the total opportunity costs of production and the accounting costs, reflecting the additional value created from business activities.

Accounting Profit

The profit a company has after deducting all its expenses from its total revenue.