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Question of the Day for 6/12/2026
 
Subject: MCAT


In certain insects, juvenile hormone suppresses metamorphosis from larva to adult. Instead, this hormone allows the young organism to grow in size while remaining in the immature larval stage. Eventually, the juvenile hormone decreases, causing metamorphosis to take place. If the corpora allata, the site of juvenile hormone production and release, is surgically removed an an early larval stage, what is expected to happen?

  1. A tiny adult will form.
  2. The larva will continue to grow, and metamorphosis will occur at the normal age.
  3. The larva will no longer grow or undergo metamorphosis.
  4. The larva will continue to grow until it looks like a giant, adult-sized larva.

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