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

Prevent and control staphylococcal food poisoning, To prevent and control S...

To prevent and control Staphylococcal food poisoning: • Avoid contamination of foods • Kill organism by heating, refrigeration • Personnel hygiene • Adequate cookin

Which alpha-helices would not be found in a protein, Please explain the dif...

Please explain the differences between an integral membrane protein, a Davison-Danielli peripheral membrane protein, and a protein in which alpha-helices would not be found.

Explain the chloride permeability, An impermeable membrane separates one li...

An impermeable membrane separates one liter of a 1M KCl solution in the left compartment from one liter of 1M NaCl solution in the right compartment.  At 2 AM today the membrane be

Phylum Arthropoda, What is an example of animal coming from the phylum art...

What is an example of animal coming from the phylum arthropoda?

Types of surgery-pulmonary regurgitation, Types of Surgery :  Pulmonary va...

Types of Surgery :  Pulmonary valve replacement using pulmonary or aortic allograft is the procedure of choice. It increases R.V. ejection fraction, decreases R.V. end diastolic p

What is the enzyme reverse transcriptase present in hiv, Q. Which type of v...

Q. Which type of virus is the HIV? What is the enzyme reverse transcriptase present in HIV? HIV is a retrovirus that is RNA viral (its genetic material is RNA and not DNA).

How far from the building should the fire hose be located, A fire hose ejec...

A fire hose ejects a stream of water at an angle of 38.8 ° above the horizontal. The water leaves the nozzle with a speed of 26.6 m/s. Assuming that the water behaves like a projec

What is extracellular digestion, What is extracellular digestion? Extra...

What is extracellular digestion? Extracellular digestion is that in which food breaking into utile molecules that can be internalized by the cell is completed in the extracellu

What do you understand by heterotrophic, What do you understand by Heterotr...

What do you understand by Heterotrophic? Organisms which are not capable of converting light into chemical energy. They should consume other organisms or material produced by o

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