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

Genic type-genetic basis of sex determination, Genic Type-Genetic basis of ...

Genic Type-Genetic basis of Sex Determination In some organisms, certain indepe~ident genes located on different chromosomes are responsible for sex determination. Most species

What is hypercholeslerolaemia, Q. What is hypercholeslerolaemia? Choles...

Q. What is hypercholeslerolaemia? Cholesterol: It is a natural component of foods such as mutton, pork, ham, sausages, lamb, chicken, eggs (yellow), whole milk, cheese, ice-cre

The social environment - stress of hospitalization, The Social Environment ...

The Social Environment   When the child is admitted to the hospital his social environment is totally changed and all health team members are strangers for him. It is your resp

Define drug effects on food intake - cause dry mouth, Define drug effects o...

Define drug effects on food intake - cause dry mouth? cause dry mouth (xerostomia) : Lack of saliva makes it difficult to masticate and swallow foods, especially those of a dry

Explain about the component of metalloenzymes, Explain about the Component ...

Explain about the Component of Metalloenzymes? Zinc is unique among the trace elements in that it is a part of enzymes for all six Enzyme Commission classes. As a component of

What is the need of monitoring and surveillance, What is the need of Monito...

What is the need of Monitoring and Surveillance? Monitoring, we know, is the act of observing something and sometimes keeping a .record of it while surveillance is a repeated s

Define the wealth care delivery, Define the Wealth Care Delivery ? The ...

Define the Wealth Care Delivery ? The challenge that exists today in many countries is to reach the whole population with adequate health case services and to ensure their util

Which keel is characteristic of the flowers, Keel is characteristic of the...

Keel is characteristic of the flowers of : 1. Gulmohur 2. Cassia 3. Calotropis 4.  Bean Bean

Biodynamic dealing with energetic of organisms, Biodynamic: This dealing w...

Biodynamic: This dealing with energetic of organisms. Biodynamic is a method of organic farming which treats farms as unified or individual organisms, emphasizing balancing the ho

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