When an Antigen and a Complement Protein Combine

question 1

Multiple Choice

When an antigen and a complement protein combine

• A) the complement inactivates the antigen
• B) it helps kill cells on whose surface complement-binding takes place
• C) the complement cascade is initiated
• D) both b and c above

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Net Income

Profit calculated as total revenues minus total expenses, interest, and taxes, representing how much the company earned or lost.

Initial Value Method

An accounting method where investments are recorded at their purchase cost without reflecting market value changes over time.

Retained Earnings

The portion of net income that is not distributed to shareholders but instead reinvested in the core business or used to pay off debt.

Common Stock

Equity ownership in a corporation, with voting rights and potential dividends.