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Vertebrates - Osmotic and Ionic Regulation
In terrestrial vertebrates hormones such as prolactin, antidiuretic hormone and adrenocortical steroids are known to control water and salt balance Hormones of urohypophysis and corpuscles of Stannius are also involved in some of the aquatic forms. Parathyroid glands and ultimobranchial bodies maintain the levels of calcium and phosphorus. Catacholamines and angiotensin also participate in this regulatory system. The hormones operate faintly or individually on all the target organs concerned with water/ion balance.
In this section you will be introduced to a variant of Darwinian concept of natural selection which he termed sexual selection. You may have observed very distinct and striking dif
A laboratory mouse homozygous for an RFLP marker is mated to a wild mouse that is heterozygous for that marker. One of the heterozygous individuals resulting from this cross is mat
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For many of the mammalian Hox genes, it has been possible to determine that some of them are more similar to one of the insect HOM-C genes than to the others. Describe an experimen
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Well Labaled DaiGram Of Cellular Endosperm
Differentiate between Total Fertility Rate (TFR) and Replacement Level (RL) Due to uncontrolled excessive hunting the population of tigers in a forest becomes Zero. Discuss the
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