--%>
Assignment Help - homework help

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?

E

Expert

Verified

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.

   Related Questions in Biology

  • Q : Tubular-dorsal nervous system of

    Whether tubular-dorsal nervous system of chordates is associated with the radial or lateral symmetry? How does this explain the complexity level of nervous system achieved by the vertebrate evolutionary branch?

    		•
  • Q : PRINCE2 Processes PRINCE2 Processes :

    PRINCE2 Processes:A) Directing the project: conducted by senior managers/decision makers define the need for the project and the resources to be allocated B)

    Q : Morphological features of echinoderms

    Write down basic morphological features of echinoderms?

    		•
  • Q : How pancreatic juice aid the digestion

    How does pancreatic juice aid the digestion of lipids? Name the included enzyme? Answer: The enzyme pancreatic lipase is existed in the pancreatic juice. This enzyme

    		•
  • Q : Define Risk Management Risk Management

    Risk Management: The procedure of identification, examination and either acceptance or mitigation of uncertainty in investment decision-making. Fundamentally, risk management takes place anytime an investor or fund manager analyzes and tries to quanti

    		•
  • Q : Main prophylactic measures against

    Write down the main prophylactic measures against schistosomiasis?

    		•
  • Q : Thyroid-stimulating hormone blood level

    Explain about the TSH (thyroid-stimulating hormone) blood level in hypothyroidism? Why is there swelling of the thyroid in the widespread goiter disease?

    		•
  • Q : Adaptation of vertebrates What are the

    What are the various problems that vertebrates required to resolve to adapt to the terrestrial atmosphere as they came from aquatic habitat? How evolution does solve such problems?

    		•
  • Q : Working mechanism of inflammation

    Define the working mechanism of inflammation?

    		•
  • Q : Radial immuno diffusion technique What

    What is the restriction for radial immuno diffusion technique? Answer: This technique can’t present antigens in concentration beneath 5 to 10 micro grams/ml.   

    		•