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Illustrate in detail about the Cell theory
All living organisms are composed of cells, and they are the basic structural and functional units of life, just like the atom is a fundamental unit in all chemical structures. This concept forms the basis for the "cell theory" proposed by M.J. Scllleiden and T. Schwann in 1838-34. They concluded that all plants and animals are composed of individual cells. The same concept is also applicable to microorganisms. Some organisms, e.g., the bacteria and protozoa are unicellular, while others are multicellular organisms, like fungi, plants and animals. Fungi are composed of individual cells of similar structure, while plants and animals are made up of different types of cells. Cells in all living organisms, whether unicellular or multicellular, show several common structural features, and many events in them are carried out in a similar fashion.
Q. On which organelle of the cell structure does intracellular digestion depend? What is the chemical content of those organelles? Intracellular digestion take place by the act
A decrease in blood plasma levels of parathyroid hormone A. occurs in response to an increase in the levels of calcium ions in blood plasma. B. leads to an increase in the a
Explain Total Parenteral Nutrition OPN) It is a method of providing, complete nutritional support in which the gastrointestinal (GI) tract is bypassed by introducing assimilab
Q. Explain Diseases of pericardium? Pericardium is the sac covering the heart. Pericardium consists of two layers-the visceral pericardium (epicardium) and the parietal pericar
Exceptions to the Cell Theory Viruses, however, are not the only exception to the Cell Theory as formulated earlier. This has led scientists to take a much broader view of the
Fixed-Dose Combinations A combination formulation of rifampin, isoniazid and pyrazinamide (Rifater) is approved by the FDA for the initial 2 months of daily anti-tuberculosis
how they reproduce?
An element playing significant role in nitrogen fixation is : 1. Molybdenum 2. Copper 3. Manganese 4. Zinc An element playing significant role in nitrogen fixation
How do mineral salts participate in osmotic regulation? Osmotic pressure depends on the number of particles dissolved in a solution and not on the nature of such particles. Min
Carbohydrate characteristic chemical features include: Select one: a. the potential to form multiple hydrogen bonds. b. the existence of one or more asymmetric centers.
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