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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 the center of the cellular regulation and control. The micronucleus has reproductive functions and it is related to the conjugation process i.e., sexual reproduction.
Q. What are the mycorrhizas? How does each participant benefit in this ecological interaction? Mycorrhizas are mutualist ecological interactions between some plants roots and f
Louis Pasteur (1860-1862) French): Even after the experiments of Spallanzani, the conflict of a biogenesis and biogenesis continued well into the middle of 19 th century till
which part of human body purify the blood
Why do scientists make biological collections? What are the scientific reasons for doing a collection? How is a collection done?
Ans) The plant cell wall has structural and protective functions. It plays significant role in the constraint of the cell size, preventing the cell to break when it absorbs much wa
(a) Why are herbivores considered similar to predators in the ecological context Describe? (b) Differentiate among the following interspecific interactions in a population :
Point and Non-Point Sources The discharge of effluents in receiving water body at a specific site are referred to a point sources in contrast to the inflow of pollutants in a
Phylum Mollusca (47,000 species) The segmentation and coelom may not exist. Diversification through modifications of head, foot; mantle and 'radula for feeding. .Visceralorgans
Explain Glucocorticoids The adrenal cortex secretes the glucocorticoids which increase gluconeogenesis by increasing hepatic intake of amino acids accompanied by increased ac
Energy and protein deficiencies Deficiencies of protein and energy are the most common nutrient deficiencies, which adversely affect production and performance of farm animals
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