Cell coat and its functions, Biology

Assignment Help:

CELL COAT (GLYCOCALYX)

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

FUNCTIONS

Cell coat protect the PM from mechanical injury.
It provides the shape of cell.
Functions as filter & regulate passage of solutes.
Provides recognition ability to cell, which is related to Ca2+ and Mg2+.
ABO antigens are located in terminal carbohydrate of glycocalyx of RBCs.
Antigens present in cell coat, recognized by Leucocytes & Macrophages, it is called Histocompatibility.

Related Discussions:- Cell coat and its functions

Long-term responses - behaviour of plants, Long-term responses - Behaviour ...

Long-term responses - Behaviour of Plants Plants alter their course of development to suit the prevailing environmental conditions. For example, leaf maturation and fall, onse

How are parasites classified, Concerning the number of hosts how are parasi...

Concerning the number of hosts how are parasites classified? Parasites that need only one host are known as monoxenous parasites. Parasites that need more than one host for th

Clinical manifestations of infective endocarditis, Clinical Manifestations ...

Clinical Manifestations i) Evidence of Systemic Infection Fever, chills, rigor, night sweat, loss of weight, arthralgia, arthritis, backache, muscle pain. ii) Ev

How big of container would need to hold, Assume you were given a mixture co...

Assume you were given a mixture consisting of one molecule each of all possible sequences of a smallish protein of molecular weight 4800 daltons. If the average molecular weight of

Locomotion in leech, LOCOMOTION IN LEECH - Leech moves by looping actio...

LOCOMOTION IN LEECH - Leech moves by looping action of its body on substratum. Posterior sucker is attached to base, body elongates, then anterior sucker is attached. Now po

What is cytogenetics, What is Cytogenetics? Before the advent of modern...

What is Cytogenetics? Before the advent of modern technology, the American biologists Thomas Hunt Morgan, G.W. Beadle, H. Sturtevant, Barbara McClintock, and others contributed

Antiparkinsonian drugs, Antiparkinsmian Drugs: Antiparkinsonian drugs ...

Antiparkinsmian Drugs: Antiparkinsonian drugs are the specific drugs to treat the extrapynnidal side effects of antipsychotic agents. Anticholinergic drugs block

Explain the root-end preparation - endodontic surgery, Explain the Root-End...

Explain the Root-End Preparation - endodontic surgery a. Class I type preparation, 3mm depth. b. Tips are designed in a length of 3 mm to prevent procedural errors. c. Ul

Archaeological records of human campsites, Archaeological Records of Human ...

Archaeological Records of Human Campsites Archaeological records of human campsites indicate that early humans started out as small bands of hunters who supplemented kills wit

Leptospirosis, Leptospirosis Synonyms: Weil’ disease, canicola fever...

Leptospirosis Synonyms: Weil’ disease, canicola fever, 7-day fever Leptospirosis is an important and widespread zoonosis. It was first described by Adolf Weil in 1886 when h

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages