Constituents of cell membrane
What are the fundamental constituents of cell membrane?
Expert
The cell membrane is made up of lipids, carbohydrates and proteins. The membrane lipids are phospholipids, a special kind of lipid to which one extremity a phosphate group is bound therefore assigning electrical charge to this area of the molecule. As phospholipids contain one electrically charged extremity and a long neutral organic chain they can systematize themselves in two layers of related molecules: the hydrophilic part (or polar) of each layer faces outwards in contact with water (that is, a polar molecule too) of the extracellular and intracellular space and the hydrophobic chains (that is, non-polar) face inwards isolated from the water. Since this kind of membrane is made up of two phospolipid layers it is also termed as a bilipid membrane.
Membrane proteins are embedded and scattered in the compact bilipid structure. Carbohydrates emerge in the outer surface of the membrane related to certain of such proteins under the form of glycol-proteins or bound to phospholipids making glycolipids. The membrane carbohydrates make the glycocalix of the membrane.
This explanation (with additional explanations) is termed as the fluid mosaic model regarding the structure of the cell membrane.
Define the term antigen? Answer: Antigen is any particle, substance or infectious agent identified as foreign to the body. The contact of antigen with the body encou
Describe the usual reproduction cycle of a DNA virus?
Does mitosis correctly take place before or after the interphase? Is it a just “point of view” issue?
Give a brief description of the term leaf cuticle?
Client-Server Architecture: It is network architecture in which each and every computer or process on the network is either a client or a server. The Servers are powerful computers or processes devoted to managing disk drives (that is, file servers),
Nature of coordination 1) It is a managerial activity 2) It is an orderly agreement of the group up efforts 30 its purpose
Relating to germ layers and presence of coelom how are arthropods typified?
Write down some instances of parasitism?
What are the major mineral salts accountable for the cellular osmotic regulation? Answer: The major ions which act in the regulation of osmotic pressure in tissues a
Specify the number of cellular nuclei does the pollen tube of the angiosperms have? Specify the ploidy of each of these nuclei?
18,76,764
1959837 Asked
3,689
Active Tutors
1442910
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!