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

Why is there little or no grass in the forest, Why is there little or no gr...

Why is there little or no grass in the forest? 1. Because of the presence of the bushy trees close together in the forest, sunlight does not penetrate simply to the ground. Thi

Phylum echinodermata, PHYLUM ECHINODERMATA Definition  and Indroductio...

PHYLUM ECHINODERMATA Definition  and Indroduction Bilateral and deuterostomial  eucoelomate  eumetazoa  with rough , tough and  leathery skin  due  to a dermal skeleton o

Homo sapiens fossilis (cro-magnon man), Hom o sapiens fossilis (CRO-M...

Hom o sapiens fossilis (CRO-MAGNO N MAN) - Fossils found from Cro-Magnon, France by Mac Gregor (1868) Replaced Neanderthal man about 35.000 years ago Sharp nose

What are the bacteriophages, Q What are the bacteriophages? Bacteriopha...

Q What are the bacteriophages? Bacteriophages are viruses specialized in parasitism of bacteria. They are used in genetic engineering as molecular cloning vehicles to include r

Define fat requirements in human body, Define Fat requirements in human bod...

Define Fat requirements in human body? There is no change in fat digestibility at altitude of

What is chemical disinfection, Q. What is Chemical disinfection? Chemic...

Q. What is Chemical disinfection? Chemicals are added to waste to kill or inactivate the pathogens it contains, this treatment usually results in disinfection rather than steri

Can you explain vestibular system, Q. What is the vestibular system? How do...

Q. What is the vestibular system? How does it operate? The vestibular system is the part of the ear that participates in the regulation and control of the equilibrium of the bo

Explain about the term - paediatric neuropsychologist, Explain about the te...

Explain about the term - paediatric neuropsychologist In the evaluation of infants and young children, all sources of reliable and valid data available to the paediatric neurop

Explain about posterior wall, Explain about Posterior wall Posterior w...

Explain about Posterior wall Posterior wall separates the antrum from the infra-temporal fossa and contains two important structures. Posterior superior alveolar nerve and

Functions of testosterone, FUNCTION S OF TESTOSTERONE - (a) It stimula...

FUNCTION S OF TESTOSTERONE - (a) It stimulates the growth and development of male secondary sex organs like the seminal vesicles, prostate and penis. It also helps to maintain

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