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The cell membrane is produced of lipids, proteins and carbohydrates.
The membrane lipids are phospholipids, a particular type of lipid to which one extremity a phosphate group is bound therefore assigning electric charge to this region of the molecule. As phospholipids have one electric charged extremity and a long neutral organic chain they can organize themselves in two layers of associated molecules: the hydrophilic portion (polar) of every layer faces outwards in contact with water (a polar molecule too) of the extracellular and the intracellular space and the hydrophobic chains (non polar) faces inwards isolated from the water. Because this type of membrane is made of two phospolipid layers it is also known as bilipid membrane.
Explain the Bohr's model? Bohr's Model : Electrons move around the nucleus at tremendous speeds and occupy most of the space in an atom. The exact position or location of an
What is vascular cambium? What are their functions? The Vascular cambium is the secondary meristematic tissue that in roots and in the stem forms the vascular tissues phloem an
What is Barfoed's test and its principle? This test is a specific test for monosaccharides. Principle This test is also a copper reduction test but differs from Fehling
conductometry and its uses in biology
Osler's nodes are small, tender subcutaneous nodules that develop in the pulp of the digits or occasionally more proximally in the fingers and persist for hours to several days. Th
In an outline form only, attempt the classification of the phylum arthropoda
are protozoans primitive to life .
what are the two main pollutants that contribute to aci rain
M a r e k ' s disease (MD) It is a lymphopoliferative disease of domestic chicken caused by a herpes virus. Of the known 3 serotypes of MDV, Serotype I includes all the o
I need the Answers for the final exam for biology it''s a one hundred question test if you can help i would appreciate it
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