Insect Prothoracicotropic Hormone (PTTH)

question 240

Multiple Choice

Insect prothoracicotropic hormone (PTTH)

• A) directly stimulates molting if food reserves are adequate.
• B) inhibits molting until the insect is a certain size.
• C) inhibits insect growth.
• D) stimulates the corpora cardiaca to release molting hormone.
• E) stimulates the prothoracic gland to release the hormone that stimulates molting.

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Definitions:

Comparative Advantage

The capability of an entity, whether it be a person, company, or nation, to create a good or offer a service more efficiently, in terms of opportunity cost, than competitors.

Opportunity Costs

The value of the best alternative forgone in making any decision.

Production Possibility Frontier

A curve depicting the maximum attainable combinations of two products that may be produced with available resources.

Opportunity Costs

The disclaim of potential advantage from other options when a particular choice is favored.