What is the function of the vitellus in the vertebrate egg, Biology

Assignment Help:

Q. What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?

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


Related Discussions:- What is the function of the vitellus in the vertebrate egg

What are natural active immunization, What are natural active immunization ...

What are natural active immunization and artificial active immunization? Natural active immunization is that in which a last natural infection induces the primary immune respon

Define the food sources of thiamin, Define the Food Sources of Thiamin? ...

Define the Food Sources of Thiamin? Thiamin is present in many food products and depending on the amount of vitamin present, we have categorized the foods as rich, good or fair

Explain biochemical investigation, Explain Biochemical investigation Bi...

Explain Biochemical investigation Biochemical  investigations:  These help  to  reveal nutrients and metabolites in blood and /or urine, and/or faeces that indicate an infectio

Rabbit femur, describe the features of the rabbit femur bone

describe the features of the rabbit femur bone

Explain adverse effects of lamivudine, Adverse effects of lamivudine  B...

Adverse effects of lamivudine  Because lamivudine is also active against hepatitis B virus (HBV), HIV-positive patients with chronic HBV infection may experience a flare of hep

Release of microspores, Release of Microspores Up to the tetrad stage...

Release of Microspores Up to the tetrad stage, there is no cellulosic wall around the microspores. As you will come to know in the next unit, a unique feature of the pollen i

Name two features of eukaryotic cells, How are the organelles of a single c...

How are the organelles of a single cell like the organs of a multicellular organism? Name two features of eukaryotic cells that prokaryotic cells lack.

Explain the factors that lead to vitamin k deficiency, Explain the factors ...

Explain the factors that lead to vitamin K deficiency? The factors that lead to vitamin K deficiency include: 1) Marginal dietary intake if one undergoes trauma and extensiv

Explain procedure for analysis of air of processing facility, Explain Proce...

Explain Procedure for Analysis of Air of Processing Facility? Now conduct the experiment following the steps enumerated herewith: 1. Label the Petri plates with nutrient aga

Mechanical valves, Mechanical Valves They are made of a combination o...

Mechanical Valves They are made of a combination of metal alloys, pyrolite carbon and dacron. Types of Mechanical Valves Caged-ball Valve (Star-Edwards) A me

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd