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Sertoli cells are found in:
1. ovaries and secrete progesterone
2. adrenal cortex and secrete adrenaline
3. seminiferous tubules and provide nutrition to germ cells
4. pancreas and secrete cholecystokinin
Seminiferous tubules and provide nutrition to germ cells
Q. Can you explain Cholera? Cholera is one of the diseases which had caused epidemics all over the world. The organism which causes the disease is Vibrio cholerae. It is an
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What is Biochemical Characteristics? In the last section we have learnt about the importance of biochemical tests. It must be clear now that biochemical tests are used to -
Permissive Interaction - Pancreas Development Figure describes the development of pancreas in a mammal. In an organism like mouse the pancreas is first seen as a diverticulum
Q. What is Osmotic diarrhoea? This kind of diarrhoea is caused by the presence of osmotically active substances in the intestinal tract, which in turn, favour the drawing of la
Consistently overwatering a potted tomato pla nt will eventually kill it. Using the map, suggest why waterlogged soil results in plant death. O2 cannot reach respiring root cells.
Take the prepared slide of Euglena and focus it first under low power and next under the high power of tlie microscope. Observe tlie following characteristics: i) Euglena is an
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