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What are cnidocytes? What is the name of the capsule inside the cnidocyte? What are the biological functions of this structure?
Cnidocytes are specialized cells present in coelenterates. They are found in the epidermis and have toxic substances that can hurt, paralyze or even kill other animals.
Every cnidocyte has an internal capsule know as nematocyst where the actual urticating substance is stored. When a cnidocyte is excited it causes the nematocyst to expose a filament having the toxic chemical.
Cnidocytes and their nematocysts have the biological functions of defending the individual from external aggression and of helping to capture their prey.
What is the main theory opposed to evolution? The major theory that opposes the evolution theory on the description of how species emerged (phylogenesis) is fixism.
Q Under which environments do echinoderms live? Echinoderms are marine animals and they live in salt water.
I need help in pipeline processing in computer architecture.
why we add some sodium bicarbonate in water?
In an adult male, which of the following is true? A. The plasma membranes of Leydig cells contain LH receptors. B. The plasma membranes of Sertoli cells contain FSH receptor
Intravenous Route This route of administering drugs is becoming more popular in the paediatric practice. Purpose of this Route When rapid action is required.
BLOO D PRESSURE Is the result of the sum of (i) Osmotic colloidal pressure of blood (ii) Elastic recoil of blood vessel's wall.
what is virus ?? what is classidication , uses , disease of viruses ? what are types of virus ?
How is the depolarization of the neuronal plasma membrane generated? How does the cell return to its original rest? When the neuron receives a stimulus by the binding of neurot
Determine the Concepts of Soil Fertility The soil fertility evaluation can be assessed by having an idea of the amount of nutrient which will be required for the growth of pla
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