Answered: What is the substance that blocks the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Zoology.

What is the substance that blocks the action of ecdysone and draw the chemical structure of that substance and explain the mechanism?

Expert Solution

Step 1

Ecdysis is defined as the moulting phase of an arthropod where the exoskeleton is shed off. The moulting hormones that regulate the duration of ecdysis are referred to as ecdysteroids, such as ecdysone hormone.

Step 2

The ecdysone is secreted from the Y-organ which stimulates moulting. The action of ecdysone is blocked by a molt-inhibiting hormone (MIH) which is a neurohormone that is produced by the eyestalk complex.

CHEMICAL STRUCTURE OF MOLT-INHIBITING HORMONE-

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