In One Kind of Second-Messenger System

question 217

Multiple Choice

In one kind of second-messenger system,

• A)a small amount of one hormone (second messenger) is required to release another
• B)a tropic hormone (first messenger) stimulates secretion of another hormone (the second messenger)
• C)the hormone binds to a specific surface receptor, whereupon the hormone-receptor complex moves into the cell to combine with an intracellular receptor
• D)releasing hormones (first messenger) from the hypothalamus regulate anterior pituitary hormones (second messengers)
• E)a hormone (first messenger) binds to surface receptors that activate adenylate cyclase, which then catalyzes cAMP formation

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Definitions:

Trustbusters

Refers to government officials or policies that aim to break up or regulate monopolies and ensure competition in the marketplace.

FTC Act

Legislation established to prevent unfair competition, deceptive acts, and regulate antitrust.

Sherman Act

A landmark federal statute in the field of United States antitrust law passed by Congress in 1890 to preserve competitive market conditions by prohibiting monopolies, cartels, and trusts.

Vertical Mergers

The combination of two or more companies that operate at different stages of production in the same industry, such as a manufacturer merging with a supplier.