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

Explain the stages of alzheimer''s disease, Explain the Stages of alzheimer...

Explain the Stages of alzheimer's disease? Stage I - There is an increased forgetfulness, anxiety and depression. Associated nutrition related changes include difficulty in

Define transport and storage of iron, Define Transport and Storage of Iron?...

Define Transport and Storage of Iron? You have seen that transferrin binds both newly absorbed iron and iron released after degradation of haemoglobin. Transferrin is a glycopr

Manx cats are heterozygous for a dominant mutation, Manx cats are heterozyg...

Manx cats are heterozygous for a dominant mutation that results in no tails or very short tails, large hind legs and a distinctive gait. The mating of two Manx cats yields two Manx

Radiography, R a d i o g r a p h y: ...

R a d i o g r a p h y: Radiograph or X-ray remains the most well-known and primary diagnostic tool of all the imaging modalities. It works b

Symptoms of enteropathogenic escherichia coli, Symptoms: The E. coli gastro...

Symptoms: The E. coli gastroenteritis syndrome is caused by the ingestion of 10 6 -10 10 viable cells/g that must colonize the small intestine and produce  enterotoxin. The syndr

The development of arteriosclerosis, The client was admitted to the hospita...

The client was admitted to the hospital with hypertension (high blood pressure). The development of arteriosclerosis (plaque buildup in the arteries) has increased peripheral resis

Living fossils, LIVING FOSSILS - 1. Limulus (Ki...

LIVING FOSSILS - 1. Limulus (King crab) Arthropoda 2 . Neopelina Mollusca 3 .

Explain the criteria for assessment of vitamin status, Explain the Criteria...

Explain the Criteria for Assessment of Vitamin Status? Vitamin E is assessed by determining the plasma lipid fraction levels. 0.8 mg of total tocopherol/g total plasma lipids i

Explain clinical dietitians, Explain Clinical dietitians Clinical dieti...

Explain Clinical dietitians Clinical dietitians, sometimes called therapeutic dietitians, are associated with health care institutes, hospitals and nursing homes. Depending on

Patient and probe positioning, Patient Positioning The patient  should...

Patient Positioning The patient  should be  in  the  left lateral position as  this brings the heart into contact with chest wall. The left arm is extended behind  the head  t

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