Cell coat and its functions, Biology

CELL COAT (GLYCOCALYX)

  1. Present in Protists and animal cells.
  2. Usually made of oligosaccharide side chains of glycolipids and glycoproteins.
  3. Cell coat has very charged termini as those of salicylic acid, which attract Ca2+ and Na+ ions.

FUNCTIONS

  1. Cell coat protect the PM from mechanical injury.
  2. It provides the shape of cell.
  3. Functions as filter & regulate passage of solutes.
  4. Provides recognition ability to cell, which is related to Ca2+ and Mg2+.
  5. ABO antigens are located in terminal carbohydrate of glycocalyx of RBCs.
  6. Antigens present in cell coat, recognized by Leucocytes & Macrophages, it is called Histocompatibility.
Posted Date: 10/5/2012 6:10:13 AM | Location : United States







Related Discussions:- Cell coat and its functions, Assignment Help, Ask Question on Cell coat and its functions, Get Answer, Expert's Help, Cell coat and its functions Discussions

Write discussion on Cell coat and its functions
Your posts are moderated
Related Questions
Production of Disease-free Plants Under normal conditions plants are infected by a wide range of pathogens such as bacteria, fungi, viruses, viroids, and insects like nematode

What is Biochemical Composition As life evolved on this planet, nature selected only a few elements, and life eventually came to be based essentially on carbon compounds. Out o

The ventricles are separated from each other by the interventricular septum and the atria are separated from each other by the interatrial septum. The interior of the right atrium

Q. On which organelle of the cell structure does intracellular digestion depend? What is the chemical content of those organelles? Intracellular digestion take place by the act


Q. Can we prevent ketoacidosis? Normally, while maintaining a good sugar control, there is a very little danger of ketoacidosis. One should test for ketones under the following

BLOO D CLOTTING - It is a nature's device to check the excessive loss of blood from an injury. Bleeding time is 1-3 minutes. Clotting time is 2-6 minutes. Process of

Ink prints of leaves Place a small quantity of printer's ink on a sheet of glass or a tile. Roll the ink into a thin yet layer with a rubber roller. Place a leaf, vein side up,

Role of Nerves - Regeneration It has been seen that soon after amputation nerves invade the regeneration blastema. If the stump is denervated by cutting the nerves supplying

How will the plant-incorporated protectants rules change EPA's current registration process? The rules clarify which plant-incorporated protectants are needed to be evaluated u