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

Enzymes of endoplasmic reticulum, ENZYMES OF E.R. Numerous enzymes have...

ENZYMES OF E.R. Numerous enzymes have been found associated with its membranes, Glucose-6-phosphatase is the marker enzyme of E.R. The chief being those required for the synt

Where is the gall bladder located, Where is the gall bladder located? T...

Where is the gall bladder located? The gall bladder is located in the Upper Right Quadrant (URQ) of the abdomen just below the liver. It keeps bile secreted by the liver. The d

Branches of Biology, Is pathology a subspecialty of zoology or botany?

Is pathology a subspecialty of zoology or botany?

Explain states of matter, Q. Explain States of matter Ans. Chemistry de...

Q. Explain States of matter Ans. Chemistry deals with the nature and composition of matter - anything that occupies space and has mass, and the changes which it undergoes. Matt

Define proteins required for underweight - nutritional care, Define Protein...

Define Proteins required for underweight - Nutritional Care? Proteins are required for tissue building, as well as, to take care of the daily wear and tear. Under weight indivi

What is a monohybrid cross, A monohybrid cross: A.Determines the genetic ma...

A monohybrid cross: A.Determines the genetic makeup of an organism B.always involves homozygous alleles. C.always involves organisms that are heterozygous at all loci. D.Always inv

Pulmonary regurgitation, Pulmonary Regurgitation :  Most of the clinical c...

Pulmonary Regurgitation :  Most of the clinical cases are after balloon valvotomy or surgical valvotomy using a trans annular patch. It can be quantified by Echocardiography and D

How is extracellular digestion related to cellular, How is extracellular di...

How is extracellular digestion related to cellular and tissue specialization? Several of specialized cells and tissues appeared with extracellular digestion to give enzymes and

Discuss about smooth muscles, Smooth muscles These muscles are beyond o...

Smooth muscles These muscles are beyond our control. That means these muscles are controlled by autonomic nervous system. They are non-voluntary muscles. They are found in thin

Define energy requirements for underweight, Define Energy requirements for ...

Define Energy requirements for Underweight? The total calorie intake should be 500 to 1000 Kcal in excess of the daily needs in order to result a gain in weight by half to one

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