What are the cnidocytes, Biology

Assignment Help:

Q. What are the cnidocytes? What is the name of the capsule inside the cnidocyte? What are the biological functions of this structure?

Cnidocytes are specific cells present in coelenterates. They are found in the epidermis and contain toxic substances that can paralyze, hurt or even kill other animals.

Each cnidocyte has an inner capsule know as nematocyst where the actual urticating substance is stored. When a cnidocyte is excited it causes the nematocyst to expose a filament contains the toxic chemical.

Cnidocytes and their nematocysts have the biological functions of defending the individual from external aggression also of helping to capture their prey.


Related Discussions:- What are the cnidocytes

Indirect uses of biodiversity, The cost of replacing these indirect uses of...

The cost of replacing these indirect uses of biodiversity, even if it were technically possible, would be so high as to render it impossible to duplicate. We also do not know how

Post disease as a result -endodontists, If the condition or the post diseas...

If the condition or the post disease as a result of intraradicular infection----> treated conventionally via apex " non-surgical ", ---->Here we have 2 options either coronal

What is vegetarianism, What is Vegetarianism? Protein quality of the ...

What is Vegetarianism? Protein quality of the vegetarian diets can be improved by proper diet planning, However, under free-living conditions, vegetarianism can limit pr

Explain the riboflavin content of rbc - riboflavin, Explain the Riboflavin ...

Explain the Riboflavin content of RBC - Riboflavin? The erythrocyte glutathione reductase assay, with an activity coe cient (AC) expressing the ratio of activities in the prese

Determine the symptoms of campylobacteriosis, Determine the Symptoms of Cam...

Determine the Symptoms of Campylobacteriosis Symptoms:  C. jejuni infection causes diarrhoea, which may be watery or sticky and can contain blood and faecal  leukocytes (white

What do you mean by cori cycling, What do you mean by Cori Cycling? In ...

What do you mean by Cori Cycling? In this cycle, glucose released by peripheral tissues is metabolized to lactate, which is then resynthesized to glucose in the liver. This pro

Infective endocarditis, Infective Endocarditis :  All patients with prosth...

Infective Endocarditis :  All patients with prosthetic valve come under the high-risk category for endocarditis. They need prophylactic antibiotics if any procedure, which is like

Chemical composition of chromatin, CHEMICA L COMPOSITION OF CHROMATIN ...

CHEMICA L COMPOSITION OF CHROMATIN Chromatin threads composed of DNA (31 %), RNA (2-5%) and proteins (Histon-36%, Non histon 28%). Histone and protamines are basic prote

What is joints in human biology, What is Joints Joints are locations...

What is Joints Joints are locations where two or more bones come together, or articulate. Bones are joined with varying degrees of rigidity. Joints may be fixed, as in the s

Give an introduction to intensive care, Give an introduction to intensive c...

Give an introduction to intensive care ? Intensive Care Medicine has its origins from the polio epidemic of 1952 in Copenhagen. Patients who suffered respiratory paralysis were

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