Cell wall, Biology

Assignment Help:

CELL WALL

  1. Discovered by Robert Hooke, 1665 when he saw dead empty cork cells.
  2. Bonner - studied the chemical nature of cell wall.
  3. The cell wall is a rigid & protective layer around the plasma membrane which provides the mechanical support to the cell.
  4. Cell wall present in Plants, Fungi, Prokaryotes & some protists.
  5. Absent in animal cell, mycoplasma, gametes and zoospores.

Related Discussions:- Cell wall

Phimosis, Phimosis Phimosis may be congenital or acquired. The foreski...

Phimosis Phimosis may be congenital or acquired. The foreskin in young infants cannot be retracted, because at that gge it is adherent to the underlying glans. Wlen an attemp

Calculate the minimum dissolved oxygen tension, Given our knowledge so far ...

Given our knowledge so far we now need to evaluate if it is feasible to run the process in the designed vessel. We therefore need to compare the oxygen uptake rate and the oxygen t

Animal disease model, Animal disease model The second area of transgeni...

Animal disease model The second area of transgenic application in agriculture is to develop lines of animals resistant to some specific damaging diseases. While the genes of in

What is the acrosome of the sperm cell, What is the acrosome of the sperm c...

What is the acrosome of the sperm cell? How is it formed? The acrosome is a structure that has a great number of digestive enzymes, it is located in the anterior end of the spe

How are membranes classified, Concerning their permeability how are membran...

Concerning their permeability how are membranes classified? Membranes can be divided as impermeable, permeable, semipermeable or selectively permeable. An impermeable membra

Urinary system, Structures that l pyramidenaform the r

Structures that l pyramidenaform the r

Examining regulated health professions, In a comparative study you are exam...

In a comparative study you are examining two items, two scenarios, for Introduction to Professionalism you will be Examining two Regulated Health Professions. One will be the Colle

What are degenerative diseases, Q. What are degenerative diseases? The ...

Q. What are degenerative diseases? The Degenerative diseases are non-infectious prevalent diseases whose incidences increase with aging.

Which is better to grow plants in rock sand or soil, Which is better to gro...

Which is better to grow plants in Rock sand or soil? When we grew plants inside, with there is no wind, and the plants in the rocks grew improved than the plants that were grow

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