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Explain how the three hormones involved in insect growth— ecdysone, juvenile hormone, and PTTH—interact in molting and metamorphosis.
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- Discuss the endocrine system of insects , including key hormones for metamorphosis, moulting .A new hormone is discovered that binds to receptors on the target surface. Describe the chemical class of hormone that is hormone belong to and explain how you could discern this class? (Subject: Human physiology)determine the principle involved or color reaction mechanism of each steroid. progesterone with sulphuric acid methyl testosterone with sulphuric acid prednisone with sulphuric acid androsterone with sulphuric acid
- Compare and contrast the functions and modes of action ofthe following pairs of hormones: insulin and glucagon; activevitamin D and parathyroid hormone; adrenocorticotropichormone (ACTH) and cortisol.what is the mode of action of abamectin in insects?A newly discovered hormone contains four amino acids linked together. Under which chemical class would this hormone be classified? a. lipid-derived hormone b. amino acid-derived hormone c. peptide hormone d. glycoprotein
- Explain how mutations in the following proteins might result in either loss of responsiveness to a given hormone or production of a continuous signal even in the absence of the hormone: a mutation in a growth factor receptor with protein kinase activityPart of the "fountain of youth" solution may lie in hormonal control. Explain which hormone and how this would work.A male athlete taking large amounts of an androgenic steroid becomessterile Explain?