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Explain in brief about the Cell Membrane
All cells, whether prokaryotic or eukaryotic, are bound by a limiting membrane called the cell membrane or the plasma membrane. The cell membrane gives shape and mechanical strength to the cell and protects it from the environment. The cell membrane is composed of lipids and proteins, and in many cases about 2-5% carbohydrates are also present. These carbohydrates are linked to the proteins or lipids. In plants, the cell membrane is covered by a rigid cell wall whose major component is cellulose. In fungi, the cell wall is made of chitin. Among the various models proposed for the plasma membrane, the most satisfactory model that is generally accepted is the fluid mosaic model of S.J. Singer and G.L. Nicolson (1972). This model satisfactorily accounts for several of the observed properties of the plasma membrane.
Explain the Etiology and Clinical Features of Parkinson's disease? The cause of Parkinson's is unknown. Genetic predisposition (in most cases the reason for the death of these
Explain the Sporangiophores features of Rhizopus? 1. Sporangiophores swell at the tip into a spherical knob like structure called sporangium. It has two zones. - Central dom
Progress on these biological issues needs both that more mathematics and statistics be brought to bear on them and that new mathematical and statistical tools be prepared. All the
TYPES OF PARTHENOGENESIS - 1 . NATURAL PARTHENOGENESIS - In many animals natural parthenogenesis is common process & is a method of reproduction. It is of two typ
The peppered moth experiment was an example of directional selection; due to environmental conditions the directional selection shifted from one extreme to the other in 1850s Engla
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Crown and bridge remover - Nash\Taylor temporary crown remover -morell remover -position the curved tip below the height of contour or at the margin of the crown -Apply seve
What is ISQ In resonance frequency analysis implant stability quotient (ISQ) is use to quantify the frequency measurement of implants within a range between 3500 and 8500 HZ. I
Q. Prevalence of coronaru heart diseases? Incidence of obesity, diabetes and CHD is increasing in India in almost all age groups. At present, obesity, which is a major risk fa
Why Ascending Method of Paper Chromatography is Preferred? The ascending method is preferred because of the simplicity of the set up. In actual method the substance to be separ
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