Insect Prothoracicotropic Hormone (PTTH)

question 47

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 ecdysone.
• E) stimulates the prothoracic gland to release ecdysone.

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