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Q. What are the most important structures within the cell nucleus?
Within the cell nucleus the most important structures are the nucleolus, an optically dense region, spherical shaped, where there are concentrated ribosomal RNA (rRNA) associated to proteins (there may be more than one nucleolus in a nucleus) the chromatin, made of the DNA molecules dispersed in the nuclear matrix during the cell interphase the karyotecha, or nuclear membrane, the membrane that delimits the nucleus.
Q. What are the major cellular features of fungi? There are pluricellular and unicellular fungi. All fungi are heterotrophs and eukaryotes. Fungi have cells with cell wall m
GASES There are 4 gases in the protoplasm which remain dissolved in its free water. These 4 gases are follows- CO 2 > O 2 > N 2 > H 2
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Explain Mechanism for reduce the absorption of nutrients? The absorption of nutrients is also reduced by mechanisms other than increasing the viscosity of gastrointestinal cont
Q. What are the respective functions of the micronucleus and of the macronucleus in the paramecium? The macronucleus is properly the cell nucleus it has RNA and DNA and acts as
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What STRUCTURAL features do these three organisms have in common in terms of a) excretory systems b) respiratory systems c) circulatory systems and d) nervous systems ? The species
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Q. Emergency treatment of diarrhoea? Emergency treatment and drug treatment: Severe dehydration is fatal and requires intravenous fluids and hence hospitalization. You have re
Define Gastrointestinal tract - Excretion of Zinc in Humans? Majority of zinc is lost from the body in faeces. Endogenous zinc in the form of enzymes or metallo-proteins is sec
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