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

Hydrocele, Hydrocele A hydrocele is a painless water-filled cyst found...

Hydrocele A hydrocele is a painless water-filled cyst found in front of the testis.It is brightly translucent and cannot be emptied by pressure of a 'flap valve' at its jun

Biochemistery., how i prepare my best assignment on DNA Polymerase 1 2 and ...

how i prepare my best assignment on DNA Polymerase 1 2 and 3

Express the term - aboral surface, In radially symmetric animals there is n...

In radially symmetric animals there is no posterior, or anterior, right sides to the animal. Rather we refer to two sides of the animal by referring to the location of the mouth. I

Psychoactive plants of the old world, Archaeological data provide valuable ...

Archaeological data provide valuable information about the uses of plants in the past. Information comes from a number of sources, including fossil plant and human remains as well

What is consciousness, The importance of the brain in our everyday lives ca...

The importance of the brain in our everyday lives can never be underestimated. The brain has physical properties that are in a constant state of flux. The brain never rests totally

Explain functional property of foaming, Normal 0 false false ...

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

Question 1, Which type of reproductive structure has a better chance of sur...

Which type of reproductive structure has a better chance of survival if there was a sudden temperature change in its environment? A.)asci B.)zygosporangium C.)basidium D.)lichen

Why two atoms always represent the same element, Two atoms always represent...

Two atoms always represent the same element if they have. A) the same number of particles in the nucleus. B) The same number of electrons. C) The same number of shells. D) The same

Reagent for determination of blood glucose by nelson somogyi, Define Reagen...

Define Reagent for Determination of Blood Glucose by Nelson Somogyi? 1. Alkaline copper reagent a) Dissolve 15 g of sodium potassium tartarate and 30 g of anhydrous N

Mollusca, General characters of mollusca

General characters of mollusca

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages