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Q. What is the first polar body? How different is it from the oocyte II?
In oogenesis the oogonium differentiates into oocyte I (2n) and this cell enters meiosis and after finishing the first meiotic division (meiosis I) the oocyte I forms two cells: the first polar body and the oocyte II (n). The oocyte II is bigger because it gets almost all the cytoplasmic and the cytoplasm structures of the oocyte I as a strategy for metabolite and nutrient storage. The oocyte II cell goes then to the second meiotic division the first polar body is very small and almost lacks cytoplasm it stays or disintegrates attached to the oocyte II.
explain osmoregulation in crustacean ?
Climax Forest - Xerarch First, some xerophytic species of trees, establish in this area. They are sparsely distributed and are stunted because the conditions are still not ver
Explain Irradiation The physical process of exposing an object, system, or a material to a high radiant energy for the sterilization or preservation.
Q. What are worm infections? The Worm infections are human diseases caused by nematodes(roundworms) or platyhelminthes (flatworms).
In organisms that have undergone tagmosisthe trunk often develops into two tagma, oneinvolved in locomotion and one that is notlocomotory. The tagma not involved in locomotionis re
1) What is the effect of increase temperature on a non enzyme catalyzed reaction? 2) What are the effects of increased temperature on an enzyme catalyzed reaction?
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