Description of cnidocytes
Give a brief description of cnidocytes? Write down the name of the capsule in the cnidocyte? Write down the biological functions of this structure?
Expert
The Cnidocytes are specialized cells present in the coelenterates. They are found in epidermis and hold toxic substances which can hurt, paralyze or kill other animals.
Each cnidocyte has an internal capsule recognize as nematocyst where the real urticating substance is stored. When a cnidocyte is stimulated it causes nematocyst to expose a filament containing toxic chemical.
Cnidocytes and their nematocysts have the biological functions of defending individual from external aggression and of assisting to capture their prey.
Write the name of an RNA sequence which codifies one amino acid?
Which plant tissues form plant roots?
Which kind of circulatory system do molluscs contain? How it can be compared to the respiratory system of the annelids?
Need tutor to assist me with this subject especially critical thinking essays.
Competitive barriers of industry to overcome:1. Advertising Since our product is slightly different product, products from existing or potential competitors cannot be fully substituted in place of the strong playe
How three main arthropod classes typified according to presence of wings?
A graduate student set out to study the ecophysiology of white birch (Betula papyrifera) seedlings growing in clear cuts and forest under stories. In early June, after leaf flush, he prepared mineral soil beds, upon which he scattered thousands of tiny birch seeds, in
Define the term Promotional Mix and what are their roles. And explain why determination of promotional mix is important?
Write some of the preventive measures of typhoid?
How the synaptic transmission between the neurons occurs?
18,76,764
1926077 Asked
3,689
Active Tutors
1460591
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!