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 signals for parturition originate from, The signals for parturition ori...

The signals for parturition originate from: 1. placenta only 2. placenta as well as fully developed foetus 3. oxytocin released from maternal pituitary 4. fully develop

Explain the energy flow of ecology, Explain the energy flow of ecology? ...

Explain the energy flow of ecology? Energy flow: As you can see, energy flow is one way in an ecosystem. Energy is not recycled. The ultimate source of energy that powers eco

Subdivisions of ecology, Subdivisions of Ecology Ecology was earlier di...

Subdivisions of Ecology Ecology was earlier divided into plant and animal ecology. However, modem ecology does not make any such distinction since plants and animals are intima

Hypothesis - nursing research, Hypothesis: The  spelling of hypothesis...

Hypothesis: The  spelling of hypothesis when written  as  "hypotheses"  indicate plural. The hypothesis is a statement or declaration of  the expected outcome of a research st

Define symptoms in nervous system of pernicious anaemia, Define symptoms in...

Define symptoms in Nervous system of pernicious anaemia? Parasthesia (numbness and tingling) occurs in fingers and toes.  Occasionally, there are objective signs of involvement

What are the major bone surfaces, Bone Surfaces:  There are four major bon...

Bone Surfaces:  There are four major bone surfaces: 1) Periosteal (outer surface of all bones) 2) Endosteal (inner surface of cortical bone) 3) Haversian (inner surface o

How do the rough endoplasmic reticulum produce proteins, How do the rough e...

How do the rough endoplasmic reticulum and the Golgi apparatus act in the production and releasing of proteins? The rough endoplasmic reticulum has in its outer membrane many r

Radiographic imaging, R a d i o g raphic imaging: ...

R a d i o g raphic imaging: Radiology has been in use since the discovery of X-rays by Wilhelm Conrad Roentgen in 1895. Until 1980s, radiography was the

Nutrition education for prevention of vitamin a deficiency, Define Nutritio...

Define Nutrition Education for prevention of vitamin a deficiency? Ignorance, you may recall studying earlier, is an important determinant of vitamin A deficiency. There is, th

How water balance take place in human body, How Water Balance Take Place in...

How Water Balance Take Place in Human Body? The amount of fluid in the body is tightly controlled because imbalance can be devastating. In a normal individual, the maintenance

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