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In a unicellular organism, the interior region of the organism is no longer in contact with the external environment. Thus simple processes of diffusion, phagocytosis, exocytosis and contact with sea water helped in exchanging the necessary molecules and nutrients. But a further increase in size and complexity of the organism lead to concentration of the pool of cytoplasm. The fluid in-between the cells was known as interstitialfluids.
These fluids, due to constant exchange of molecules between the various cells lead to changes in the internal environment which influenced the functioning of the cell. Physiology, we learnt earlier, is concerned with such basic activities as reproduction, growth, metabolism, excitation and contraction as they are carried out within the fine structure - the cells, tissues, organs and organ systems of the body. The various body systems of our body are enumerated next.
Define Colorimetric Method for the Estimation of Phosphorous Estimation of phosphorous is based upon the principle of colorimetry. Many methods for quantitative analysis are ba
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Absorption of Proteins Proteolytic enzymes break the dietary Proteins and proteins into amino acids or di- and tripeptides. In fact, it is in this form that the di
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Explain Folic acid Folic acid is a water soluble B-vitamin that helps build healthy cells. Along with iron, this vitamin is crucial during pregnancy as you may already know
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does air is conductor
A compressed air pop-gun Use a straight piece of glass or plastic tubing of 1 or 2 cm in diameter and 15 or 20 cm in length. Make a piston by twisting some string on a pencil t
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