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

Therapeutics for infective endocarditis, Therapeutic   Accurate identif...

Therapeutic   Accurate identification of the infecting organism is the key to successful treatment.  Antibiotics as per the sensitivity study in high doses IV is given.

Lens regeneration in amphibians, Lens Regeneration in Amphibians It i...

Lens Regeneration in Amphibians It is an amazing fact that between all vertebrates only certain amphibians have the unique ability to regenerate lens, iris and retina in adul

Suction force of the plant cell, What is meant by suction force of the plan...

What is meant by suction force of the plant cell? Does the suction force facilitate or make difficult the entrance of water in the cell? Ans) The suction force (SF) is the osmot

Define chronic fever and infection, Chronic fever and  infection Chron...

Chronic fever and  infection Chronic fever  and  infection are always supported will a long standing history of symptoms  or repeated episodes of infection. One of the commonl

What are instances of a carnivorous, Q What are instances of a carnivorous ...

Q What are instances of a carnivorous and an herbivorous reptile? Iguanas are herbivorous, Snakes are carnivorous. Q. Do beings of the class Reptilia perform gas exchange i

What is the importance of fungi, What is the Importance of Fungi? Fungi...

What is the Importance of Fungi? Fungi are widely distributed in nature. It is estimated that there are about 1.5 million species of fungi on earth. Fungi are both beneficial a

Explain unacceptable aesthetics, Unacceptable Aesthetics The implant wh...

Unacceptable Aesthetics The implant which has successfully integrated with bone may still be a failure if the Prosthesis which it is designed to support does not meet with the

Duration limit of the qrs, Q. Duration limit of the QRS? The duration o...

Q. Duration limit of the QRS? The duration of the QRS is usually reduced slightly during exercise. Because catecholamines increase conduction velocity in the Purkinje fibers an

Packaging for instruments and cassettes, Packaging for instruments and cass...

Packaging for instruments and cassettes Packaging used for instruments and cassettes prior to sterilization includes wrap, paper pouches, plastic pouches, combination paper/pl

Explain the bioavailability of vitamin d, Explain the Bioavailability of Vi...

Explain the Bioavailability of Vitamin D? The nutritional availability of vitamin D is less significant because it can be endogenously produced and retained for long periods by

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