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

What is karyotype, What is karyotype? The name karyotype is given to th...

What is karyotype? The name karyotype is given to the set of chromosomes of an individual, generally when visualized and identified under the microscope. The visualization usua

Which is not produced by the hypothalamus, Which of the following is NOT pr...

Which of the following is NOT produced by the hypothalamus? A) releasing hormones B) inhibiting hormones C) antidiuretic hormone D) oxytocin E) thyroid-stimulating h

Define about the gastric cancer, Define about the Gastric Cancer? Surgi...

Define about the Gastric Cancer? Surgical treatment is a very common mode of treatment in gastric cancer. Radiation and/or chemotherapy are given for patients with resected but

Who created the two-part naming system used in biology, Who created the two...

Who created the two-part naming system used in biology? The scientific naming system that is used worldwide today was primary devised by Swedish naturalist Carl Linnaeus in 173

Explain the plaque assessment, Plaque Assessment Microbial films have b...

Plaque Assessment Microbial films have been known to form on inert biomaterial surfaces in an aqueous environment. Implants placed in the oral cavity are no exception and repre

Digestive system in the phylum arthropoda, Q. What is the kind of digestive...

Q. What is the kind of digestive system present in beings of the phylum Arthropoda? Are these animals deuterostomes or protostomes? The digestive tube of arthropods is complete

What do you understand by melanocytes, Q. What are melanocytes? Melanoc...

Q. What are melanocytes? Melanocytes are epithelial cells of the skin specialized in secretion of melanin and Melanin is a pigment that besides coloring the iris of the eye and

Physical properties of protoplasm, What is the physical experiment that sho...

What is the physical experiment that show that the protoplasm has contractility?

Metaphase chromosomes, Metaphase chromosomes: Each metaphase chromoso...

Metaphase chromosomes: Each metaphase chromosomes is a duplicated structure which consists of two sister chromatids, attached at a point called centromere or primary constric

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