--%>
Assignment Help - homework help

Function of vitellus

Specify the function of vitellus within the vertebrate egg? Classify these eggs in accordance with the amount of vitellus within them?

E

Expert

Verified

Vitellus (yolk) is defined as the nutritive material which accumulates within the cytoplasm of the egg (zygote) with function of nourishing the embryo. In accordance with the amount of vitellus within them, the vertebrate eggs are classified as

a) Oligolecithal (little yolk),

b) Centrolecithal, or heterolecithal (more yolk diffusely distributed) and

c) Telolecithal (more yolk concentrated in one end of the egg).

   Related Questions in Biology

  • Q : Respiration in the phyla of animal

    Beings from four phyla of animal kingdom “breath” through the diffusion. Explain which are those phyla? How this type of respiration is associated to the features present in those animals?

    		•
  • Q : Fundamentals of Departmentation

    Fundamentals of Departmentation While establishing a departmentalized organization, the following guidelines should b kept in mind.

    Q : Problem relating to allowance The 2010

    The 2010 annual report of Willamette Valley Vineyards, Inc., comprised the following information associating to their allowance for doubtful accounts: Balance in allowance at the starting of the year $54,330, accounts written off throughout the year $51,467, balance i

    		•
  • Q : How do populations of predators and

    How do populations of the predators and prey differ in predatism?

    		•
  • Q : Hormones excreted by the thyroid gland

    What are the hormones excreted by the thyroid gland along with explain their functions?

    		•
  • Q : What does bioavailability signify What

    What does bioavailability signify?

    		•
  • Q : Behavioral theory of the leadership

    Behavioral theory of the leadership The initiating structure, which refers to leader  Employee centered : in the employee central oriented , the leader developi

    		•
  • Q : Short Paper Corporate Governance &

    In FIN 620 each student is required to complete a paper that demonstrates effective communication skills, research competence, and technology fluency. The paper should demonstrate the ability to clearly communicate ideas about financial management in a professional ma

    		•
  • Q : Larval phase of polychaetes Give the

    Give the name of the larval phase of polychaetes? Answer: Among annelid groups only polychaetes present a larval phase. Their larva is termed as trocophore.

    		•
  • Q : Fundamental versus Technical analysts

    Fundamental vs. Technical analysts: Fundamental analysts believe that there is an intrinsic value for a stock market, various industries and individual securities and that these values dep

    		•