What Feature of Phospholipids Allows Them to Interact with Aqueous

question 99

Multiple Choice

What feature of phospholipids allows them to interact with aqueous cytosol and extracellular fluid, while still presenting a barrier to hydrophilic substances?

• A) They are polar molecules.
• B) They are nonpolar molecules.
• C) They are lipids.
• D) They are extremely rigid molecules.
• E) They are amphipathic molecules.

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Definitions:

Markup

The amount added to the cost price of goods to cover overhead and profit, expressed as a percentage of the cost.

Gross Profit

The financial gain obtained after subtracting the cost of goods sold from the total revenue.

Net Profit

The amount of money remaining after all operating expenses, interest, taxes, and dividends have been deducted from total revenue.

Zone Price

The price based on geographic location or zone of customers.