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 some essential facts about the fats, Define some Essential facts abo...

Define some Essential facts about the Fats? 1) Fats are essential in diets to facilitate satiety, high-energy intakes, and absorption of fat-soluble vitamins and provide essent

Vegetative Development - Differentiation, Vegetative Development - Differen...

Vegetative Development - Differentiation It is referred to as qualitative changes that lead to increased specialisation. For example, the formation of cells and tissues of roo

What are heterotrophic beings, What are autotrophic beings? What are hetero...

What are autotrophic beings? What are heterotrophic beings? Autotrophic beings are those that can make their own food, i.e., that make organic material from inorganic compound

Etiologic factor of atherosclerosis, Q. Etiologic factor of atherosclerosis...

Q. Etiologic factor of atherosclerosis? Various factors are responsible for atherosclerosis. These include: 1. Hyperlipidemin: Excess circulating fats in blood especially th

In what ways does over gazing lead to soil erosion?, Ask In what ways does ...

Ask In what ways does over gazing lead to soil erosion?

Define role of public nutritionist in health care delivery, Define the Role...

Define the Role of Public Nutritionist in Health Care Delivery? It is clearly evident from the foregoing discussion that nutrition is an important, though not the only, determi

Classification of different agro-industrial by-products, Classification of ...

Classification of Different Agro-Industrial By-Products The agro-industrial by-products can be grouped according to the content of nutrients namely: (i) Energy rich supplem

Methods useful in self-incompatibility, Methods Useful in Self-Incompatibil...

Methods Useful in Self-Incompatibility More specific methods useful in overcoming self-incompatibility are mentioned below 1. Bud Pollination : In Petunia axillaris early

Measurement of the active ingredient in aspirin pills, Medication delivered...

Medication delivered in the form of a pill contains an active ingredient or ingredients. Beside the drug itself, the pill also contains "fillers". The filler has several functions.

Explain reality theory, Reality Theory Developed in  the 1960s by  Will...

Reality Theory Developed in  the 1960s by  Willian glasser,  a  psychiatrist,  reality  therapists  view human nature in terms of behaviour. They believe that human behaviour i

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