Explain the concept of evolutionary conservation of hormone activity, and how recognition of that phenomenon has influenced hormone therapies.
What will be an ideal response?
Hormone structure and function in some cases have changed little from primitive vertebrates through mammals. Evidence for this includes the similar response in humans to injected hormones from nonhuman sources. An example of the importance of this relationship is provided by the hormone insulin, which, from extracts of cow, pig, or sheep pancreas, successfully treated diabetes mellitus in humans. Prior to that, diagnosis of diabetes mellitus was followed shortly by death.
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A. Mesonephros B. Renanephros C. Metanephros D. Uretonephros E. Pronephros
At a total magnification of 100×, the diameter of the field of view is 6 mm. If the total magnification is increased to 1000×, the diameter of the field of view is ________
A) 0.6 mm B) 0.06 mm C) 60 mm D) 600 mm
Which of the following hormones is released from the hypothalamus?
a. CRH b. TSH c. FSH d. LH e. GH
Which condition is characterized by an abnormally long eyeball causing light rays to focus in front of the retina?
A. Astigmatism B. Cataracts C. Presbyopia D. Hyperopia E. Myopia