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

Describe the intensity of s2 in second heart, Describe the Intensity of S 2...

Describe the Intensity of S 2 in second heart ? Loud A 2 occurs in patients with hypertension, when aorta is closer to anterior chest wall owing to root dilatation or TGA or

Gills and booklungs, Give detailed structure of gills,book lungs

Give detailed structure of gills,book lungs

ACTINOMYCETES, WHAT ARE THE DIFFERENT CULTURE MEDIAS USED FOR ISOLATION OF ...

WHAT ARE THE DIFFERENT CULTURE MEDIAS USED FOR ISOLATION OF ACTINOMYCETES?

Explain about the thiamin - vitamin b or aneurin, Explain about the Thiamin...

Explain about the Thiamin - Vitamin B or aneurin? Thiamin is one of the earliest recognized vitamins. The chemical structure of thiamine was established by Williams in 1936. Th

Define manganese metabolism - micro minerals, Define Manganese Metabolism -...

Define Manganese Metabolism - Micro Minerals? Intestinal absorption of Mil occurs throughout the length of the small intestine although the exact mechanism of absorption is not

Explain about the weight cycling - energy balance, Explain about the Weight...

Explain about the Weight cycling - energy balance? There are a number of obese people who keep losing and gaining weight a number of times in their lives. This is called the Yo

Nervous tissue and its components, NE R V OU S TISSUE The nervous...

NE R V OU S TISSUE The nervous tissue in general develops from the ectoderm of the embryo, but the microgliocytes. It does not have a matrix. The special properti

Explain fluconazole, Fluconazole Fluconazole is active against most  Ca...

Fluconazole Fluconazole is active against most  Candida species other than C. krusei, which is intrinsically resistant, and many strains of C. glabrata, which are increasingly

Explain dextran, Dextran Dextran is a high molecular  weight polysaccha...

Dextran Dextran is a high molecular  weight polysaccharide having  α1→ 6,  α1→ 3 linked glucans. It is produced by the bacterial fermentation of sucrose by  Leuconostoc dextran

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