Cell coat and its functions, Biology

Assignment Help:

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.

Related Discussions:- Cell coat and its functions

The androecium in a flower of china rose, The technical term used for the a...

The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is: 1. Monadelphous 2. Diadelphous 3. Polyandrous 4. Polyadelphous

Floriculture, Floriculture: This is the cultivation and development of com...

Floriculture: This is the cultivation and development of commercially important floral plants like rose, lilies, etc. Floriculture is called flower farming is a discipline of hort

What is the radula, What is the radula? What is the function of this organ?...

What is the radula? What is the function of this organ? Some molluscs have a tongue-like structure with harsh saliences similar to small teeth. This structure is called radula

Define fat requirement for cancer patients, Define Fat requirement for canc...

Define Fat requirement for cancer patients? During cancer there is enhanced mobilization of free fatty acids from adipose tissues resulting in subsequent depletion of total bod

Define some beneficial effects of fungi, Define some Beneficial Effects of ...

Define some Beneficial Effects of Fungi? 1. These act as decomposers and can degrade complex organic molecules in dead plants and animals to simple organic compounds and inorga

What is colony collapse disorder, Q. What is Colony Collapse Disorder? ...

Q. What is Colony Collapse Disorder? Bee colonies are attacked by a variety of pathogens and parasites. One major pathogen is the acute bee paralysis virus (IAPV), which cau

Panting - temperature relations in animals, Normal 0 false fa...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Infructescences- pseudofruits and parthenocarpic fruits, What are the infru...

What are the infructescences, pseudofruits and parthenocarpic fruits? The Infructescences are aggregated fruits formed from inflorescences, aggregated flowers. Grape clusters a

Cnidaria and protozoan, What are the advancement of cnidaria over protozoa

What are the advancement of cnidaria over protozoa

Preserving foods, One of man's oldest methods of preserving foods is drying...

One of man's oldest methods of preserving foods is drying or desiccation. The preservation of foods by drying is a direct result of removal of moisture. Microorganisms need water

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd