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Nature & Animals

Which developmental consequence results when juvenile hormone esterase (JHE) activity increases within insect hemolymph?

A)Inhibition of imaginal disc differentiation
B)Premature pupation before critical mass
C)Prolonged larval stage development
D)Increased synthesis Prothoracicotropic hormone (PTTH)

💡 Explanation

Increased JHE degrades the juvenile hormone, causing development to progress through pupation via hormonal control; JHE removes stimulus. Premature pupation occurs because, rather than prolonged larval development, levels of juvenile hormone drop rapidly therefore initiating the earlier metamorphosis.

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