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Concerning their permeability how are membranes classified?
Membranes can be divided as impermeable, permeable, semipermeable or selectively permeable.
An impermeable membrane is that by which no substance can pass. Semipermeable membranes are those that let only solvents, like water, to pass by it. Permeable membranes are those that let solvent and solutes, like ions and molecules, to pass across it. There are also selectively permeable membranes, i.e., membranes that besides permitting the passage of solvent let only some specific solutes to pass while blocking others.
Diffusion is the spreading of substance molecules from a region where the substance is more concentrated to other region where it is less concentrated. For example, during the boil
mentions chareacteristics and classificaton of protozoa?
The Features of Retrograde Peri-Implantitis include: - Periapical Bone loss without gingival inflammation. - Microflora consisting mainly of streptococci and nonmotile organ
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LARG E INTESTINE - More wider. Arranged around small intestine in the form of ? . It is 1.5 m long. Villi & microvilli absent. It shows 3 parts Ceacum, colon & rectum.
what is the life cycle of plasmodium vivax?
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Meningococcal disease Meningococcal vaccine is recommended for adults and children >2 years old who are traveling to areas where epidemics are occurring, or to the "meningitis
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