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Oogenesis
Oogenesis is the formation of ovum from oogonial cells that are formed in the ovary from primordial germ cells. And as in spermatogenesis it involves meiosis to produce haploid ovum. You have learnt in the section on spermatogenesis that the differentiation of sperm occurs after the meiotic events. In oogenesis the process of first meiotic division is very prolonged; and it is during this process that growth and differentiation of oocyte take place. In many animals most events related to oocyte differentiation occur during prophase I of first meiotic division. In animals which produce yolk-laden eggs, this phase is divided into
Explain the Confirmed Test - Most Probable Number Test? Confirmed test is carried out to rule out the possibility of any positive presumptive test because of the presence of no
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Can the amount of available energy in a given trophic level be larger than the available energy in inferior trophic levels? What does that condition means to the conformation of th
Production of Industrial Compounds Cultured plant cells retain their metabolic potential and synthesise secondary products of commerce. Cell cultures can also be used as facto
Define Evolution of food processing? 8000 - 7000 BC. Mankind first began farming, growing crops and raising animals for food instead of hunting and gathering for food.
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In terms of western medicines, over 3000 antibiotics - including penicillin and tetracycline - are obtained from micro-organisms. Another product of micro-organisms i.e. cyclospori
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State about the blood ocular barriers of the eye? Blood Ocular Barrier: All vascular beds of the eye are highly permeable to lipoid soluble substances (oxygen, carbon dio
Q. Genetic resources of biodiversity? Genetic diversity or the gene pools are important for promoting and ensuring high agricultural yield. Genetic diversity provides crops wit
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