Metamorphosis to Adult Frogs Would Not Occur

question 64

Multiple Choice

Metamorphosis to adult frogs would not occur. You are studying the hormonal control of metamorphosis in amphibians. If the anterior pituitary was prevented from releasing TSH, what would be the effect on tadpoles?

• A) Metamorphosis to adult frogs would be increased five-fold.
• B) Metamorphosis to adult frogs would not occur.
• C) Calcium secretion in tadpoles would be inhibited.
• D) Metabolism in tadpoles would be greatly increased.
• E) Metamorphosis would proceed, but arrest after limb formation.

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