Insect Hormones
| Institution | UNIVERSITY |
| Course | BACHELOR OF SCIENCE... |
| Year | 1st Year |
| Semester | Unknown |
| Posted By | stephen oyake rabilo |
| File Type | |
| Pages | 15 Pages |
| File Size | 1.21 MB |
| Views | 5877 |
| Downloads | 0 |
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Description
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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