Which Is NOT Part of a Description of an Antibody

question 22

Multiple Choice

Which is NOT part of a description of an antibody molecule?

• A)contains two light chains and two heavy chains
• B)contains an antigen-binding site on each arm
• C)contains a constant and a variable region on each chain
• D)forms an X-shaped protein molecule

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Definitions:

Net Profit Margin

A profitability ratio calculated as net income divided by revenue, indicating the percentage of each dollar of revenue that results in net profit.

Gross Margin

Gross margin is the difference between revenue and cost of goods sold, expressed as a percentage of revenue.

Return On Total Assets

A financial ratio that measures a company's profitability relative to its total assets, indicating how effectively the company uses its assets to generate profit.

Return On Equity

A financial ratio indicating the profitability of a firm relative to shareholder equity, showing how effectively equity is used to generate profits.