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← Nature & AnimalsWhich biochemical mechanism arrests beetle larvae development when critical resources are scarce?
A)Decreased prothoracicotropic hormone (PTTH)
B)Elevated ecdysone receptor (EcR) expression
C)Suppressed juvenile hormone (JH) production
D)Increased autophagy and nutrient recycling✓
💡 Explanation
When resources are limited, autophagy promotes recycling of the existing cellular components because this provides essential building blocks and energy, thereby arresting non-essential developments until conditions improve. Therefore increased autophagy and nutrient recycling occurs, as opposed to hormonal changes which trigger larval metamorphoses.
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