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

Define synthesis of hormones - vitamin c, Define Synthesis of Hormones - Vi...

Define Synthesis of Hormones - Vitamin C? Ascorbate is involved in the amidation, thereby conferring stability to hormones such as thyrotropin releasing hormone, adrenocorticot

Molluscan kidney, Normal 0 false false false EN-IN X-...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Nature defences against viral infections, Nature defences against viral inf...

Nature defences against viral infections 1.      Interferons - In 1957 Issue and Lindenmann discovered that vertebrate cells infected with viruses, produce a diffusible antiv

What are typical fauna of the tropical forests, What are the typical vegeta...

What are the typical vegetation and the typical fauna of the tropical forests? In the vegetation of a tropical forest broadleaf evergreen trees predominate. On the top of the t

Metaphase chromosomes, Metaphase chromosomes: Each metaphase chromoso...

Metaphase chromosomes: Each metaphase chromosomes is a duplicated structure which consists of two sister chromatids, attached at a point called centromere or primary constric

Problem with role of lymphatic system, Normal 0 false false ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Explain sedationin details, Explain Sedationin details? Intubation and ...

Explain Sedationin details? Intubation and mechanical ventilation is associated with a significant degree of discomfort. In addition, many of the procedures done routinely in I

What is the call frequency, During residency: This alters from program to p...

During residency: This alters from program to program depending on the number of sites covered and number of residents. At McMaster, we do call roughly 1 in 7 or 8 (averages out to

Experiments of redi and pasteur of spontaneous generation, How did the expe...

How did the experiments of Redi and Pasteur refute the hypothesis of spontaneous generation? To refute the impulsive generation hypothesis many experiments were performed. The

Types of axons, Types of Axons Axons are of two types Mye...

Types of Axons Axons are of two types Myelinated and Non-myelinated In the case of myelinated axons the neurilemma is ensheathed by another cover

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