Egg envelopes, Biology

Assignment Help:

Egg Envelopes

Like any other cell, all the eggs are covered by the cell membrane or plasmalemma It is with two layers of about 50 A? (unit membrane) separated by a gap of 60 A?. In addition to plasmalemma, the eggs of practically all animals are surrounded by special egg envelopes (or egg membranes).

Based on their origin, types of egg envelopes are

  • Primary or
  • Secondary ones.

Related Discussions:- Egg envelopes

Consumptive use values, This means the non-market value of natural products...

This means the non-market value of natural products such as firewood, game and fodder that do not pass through a market or product preparation. Indigenous people in developing cou

Define water of oxidation or metabolic water, Define Water of oxidation or ...

Define Water of oxidation or metabolic water? Water that arises from oxidation of foods within the body, which is referred to as water of oxidation or metabolic water. Water wh

Pyramid of energy - ecological pyramids, Pyramid of Energy - Ecological Pyr...

Pyramid of Energy - Ecological Pyramids When we wish to compare the functional roles of the trophic levels in an ecosystem, an energy pyramid is probably the most informative.

What is haemoglobin, Q. What is haemoglobin? What is the inorganic element ...

Q. What is haemoglobin? What is the inorganic element that is basic of the composition of haemoglobin? Haemoglobin is the protein present in the blood responsible for the trans

Define nutritional management of celiac disease, Define Nutritional Managem...

Define Nutritional Management of Celiac Disease? A gluten-free diet is the major therapy for celiac disease patients, particularly children, and may be needed for lifelong adhe

Define human beings need energy for basal metabolism, Define human beings n...

Define human beings need energy For Basal metabolism? This comprises a series of functions that are essential for life, such as cell function and replacement; the synthesis, se

Explain endocarditis, Explain Endocarditis The risk of endocarditis is ...

Explain Endocarditis The risk of endocarditis is considered high in patients with last bacterial endocarditis, prosthetic heart valves, complex cyanotic congenital heart diseas

What is metachronal wave. describe., What is Metachronal wave? Describe. ...

What is Metachronal wave? Describe. During the coordination of the ciliary movement, bands, or groups of cilia, are at different stages of their beating pattern, and this creat

Explain transgenic organisms, As the functions of individual genes become k...

As the functions of individual genes become known, the power of this new biology can be used to change organisms in predictable and desirable pathways.  Organisms which have been c

Explain about chthalamus, Explain about chthalamus The realised niche o...

Explain about chthalamus The realised niche of Chthalamus is reduced from its fundamental niche and it is limited to the upper tidal zone Lower  limits Out-competed

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