Which Part of a Cell Membrane Phospholipid Is Exposed to the Aqueous

question 62

Multiple Choice

Which part of a cell membrane phospholipid is exposed to the aqueous (watery) interior?

• A) hydrophilic head and tail
• B) hydrophilic tail
• C) hydrophilic head
• D) hydrophobic head
• E) hydrophobic tail

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Definitions:

Net Profit Margin

A financial ratio that shows the percentage of net income to revenue, indicating the efficiency at which a company converts sales into net profit.

Gross Margin

The difference between the sales revenue and the cost of goods sold, indicating the profitability of a company's core business activities.

Times Interest Earned

A financial ratio that measures a company's ability to meet its debt obligations based on its earnings before interest and taxes (EBIT).

Debt-To-Equity Ratio

A financial ratio that measures the degree to which a company is financing its operations through debt versus wholly owned funds.