Insect Hormones

Institution	UNIVERSITY
Course	BACHELOR OF SCIENCE...
Year	1st Year
Semester	Unknown
Posted By	stephen oyake rabilo
File Type	pdf
Pages	15 Pages
File Size	1.21 MB
Views	2595
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Insect Hormones • A hormone is a chemical signal sent from cells in one part of an organism to cells in another part (or parts) of the same individual. They are often regarded as chemical messengers. • Typically produced in very small quantities, but cause profound changes in their target cells • Their effect may be stimulatory or inhibitory • In some cases, a single hormone may have multiple targets and cause different effects in each target • Examples of processes controlled by hormones include moulting, metamorphosis, oocyte development (vitellogenesis), colour change and diurnal rhythms of activity

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