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Explain Diffusion and Osmosis in cell structure?
Diffusion and Osmosis : Diffusion through a cell membrane occurs as it does elsewhere, from an area of high concentration of solute to one of lower concentration.
Yet another mechanism, osmosis, moves water and dissolved substances across the cell membrane. Osmosis is really a type of diffusion in which water is the substance that moves from a high concentration to a lower one through a semi-permeable membrane.
Find the initial osmotic pressure at room temperature for a cell if the only ions present are KCl and NaCl on either side of the membrane. Assume the concentrations for K+ and Na+
Classification of Aquatic Organisms After discussing the common types of the aquatic ecosystem let us now study in brief the ecological classification of aquatic organisms. I
1. Describe what effects epigenetic modifications such as methylation and acetylation can have in eukaryotic cells, and how these modifications are added or removed from chromatin.
What is Central Shunt in Palliative Operations? When the pulmonary artery branches are small, an interposition graft could be used as a shunt between main pulmonary artery and
Planes of Cleavage The ova of most of the animal groups (except some specific cases like insects) are spherical or nearly spherical having their own actual centre comparable
what are the consequences of parthenogenesis in human life if humans reproduced through parthenogenesis?
Complication during gestation Many complications like uterine torsion, vaginal prolapse, mummification, foetal maceration, hydra allantois, hydro amnios and teratological abno
Ethylene - Plant Hormones Amongst hormones in both plant and animal kingdoms, ethylene, a gaseous hydrocarbon, is unique. Despite its chemical simplicity, it is a potent growt
Nitrogen Fixation Nitrogen is an essential constituent of living organisms and there is an inexhaustible supply of it in the atmosphere in the free form. Majority of living o
FORM S OF RIBOSOMES (1 ) Bound form - Attached to ER. Protein synthesis for secretion purpose occurs on bound ribosomes. (2 ) Free Ribosomes - Occur freely
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