Which of the Following Statements Are True of Antibodies? (Read

question 216

Multiple Choice

Which of the following statements are true of antibodies? (Read carefully and select all of the correct statements.)

• A)Antibodies destroy antigens by penetrating their cell membranes.
• B)The only class of antibodies that can cross the placenta is IgM.
• C)The IgA class of antibodies is found on mucous membranes and in breast milk.
• D)Antibodies render toxins harmless because they change the shape of the toxins.
• E)Antibodies label foreign antigens, and such a label stimulates phagocytosis by macrophages.
• F)Antibodies are effective against viruses because they disable the nucleic acid of the virus.

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Definitions:

Breach of Fiduciary Duty

Occurs when an individual in a trusted position fails to act in the best interests of another party whom he or she has a duty to.

Derivative Suit

A lawsuit brought by a shareholder on behalf of a corporation against a third party, often the corporation's executives or directors, claiming breach of duty.

Treasury Stock

Shares that were issued and later reacquired by the issuing company, held in the company's treasury and not actively traded.

Authorized Shares

The maximum number of shares that a corporation is legally allowed to issue, as specified in its articles of incorporation.