--%>
Assignment Help - homework help

Purpose of vitellus in the vertebrate egg

Elaborate the purpose of the vitellus in the vertebrate egg?  How are these eggs classified in relation to the quantity of vitellus within them?

E

Expert

Verified

Vitellus (yolk) is nutritive material which accumulates in the cytoplasm of the egg (zygote) with the purpose of nourishing the embryo. According to the quantity of vitellus in them, the eggs are classified as oligolecithal (little yolk), centrolecithal, or heterolecithal (more yolk diffusely distributed) and telolecithal (more yolk concentrated in one end of egg).

   Related Questions in Biology

  • Q : Factors unique to Project Managers

    Factors unique to Project Managers: A) The project manager always has to deal with the constraint of limited resources. Timelines are mostly tight. Acquiring befitting resources from functional departments and deal

    		•
  • Q : Cells of connective tissue Specify the

    Specify the cells of connective tissue far or near to the others?

    		•
  • Q : Structures forming the external ear

    Write down the structures which form the external ear? Specify some of its function?

    		•
  • Q : Afference and efference neural impulse

    As per the function of transmitted neural impulse that are the types of neurons? How the concepts of afference and efference  neural impulse transmission are different?

    		•
  • Q : Epidemiological relation between HIV

    Name the epidemiological relation between HIV and hemophilia infection?

    		•
  • Q : Target tissues and target organs of

    What are target tissues and target organs of adenohypophyseal hormone? Answer: GH: bones, cartilages and the muscles. Prolactin: mammary glands. ACTH: the cortical p

    		•
  • Q : Valve separating the compartments

    Specify the first heart chamber in which the blood enters? Where does blood go after passing that particular chamber? What is the name of valve which separates the compartments? Why is that valve essential?

    		•
  • Q : Nature of Motivation - Organizational

    Motivation is mainly concerned with the directing of employees towards organizational objectives and mission. The mature of motivation is discussed as follows: 1)     Motivation is a continuous process: as we have studied in economics, human wants are

    		•
  • Q : Economic significance of sponges

    Elucidate the economic significance of sponges?

    		•
  • Q : Flesh part of fruits Whether fruits

    Whether fruits always the flesh part of ‘fruits’? Is edible part of the onion is a fruit?

    		•