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

What do you meant by medical writing, Question 1 : What do you meant by ...

Question 1 : What do you meant by medical writing? Show various types of medical writing. Define and explain briefly medical writing Discuss various types of medical w

Spermiogenesis - spermatogenesis, Spermiogenesis - Spermatogenesis At ...

Spermiogenesis - Spermatogenesis At the end of the meiosis the spermatids appear as simple spherical cells with a centrally located nucleus. Their differentiation into sperm r

Which of the groups is not ionizable, Which of the following groups is NOT ...

Which of the following groups is NOT ionizable? Select one: a. Guanidinium b. Imidazole c. Phosphoryl d. Amine e. Aldehyde

Are the following statements true for eukaryotes, Are the following stateme...

Are the following statements true for eukaryotes , prokaryotes, both groups, or neither group? Answer They use a deoxyribonucleoside triphosphate as their energy currency"D They us

Define the indications for root-end resection apicoectomy, Define the Indic...

Define the Indications for Root-End Resection Apicoectomy a) Persistent..... "Exactly the SAME of Curettage except the biopsy. b) When the apical portion of the root canal s

Define whey protein concentrates, Explain Whey protein concentrates Whe...

Explain Whey protein concentrates Whey protein concentrates (WPC) are  the products derived from whey from which the water, minerals and lactose have been removed.  WPC is a wh

Planning and implementing nursing care-nephrotic syndrome, Planning of Nurs...

Planning of Nursing Care   Promote nonnal urinary pattern or releive  excess  fluid  Administer medication  as prescribed  Protect the children from secondary  infecti

Closed style - style of stigma interaction, Closed Style - Style of Stigma ...

Closed Style - Style of Stigma Interaction Cotton shows an epidermis with stomata, a cortex of thin-walled parenchyma with several vascular bundles and strands of transmitting

How are radioactive probes useful in dna fingerprinting, How are radioactiv...

How are radioactive probes useful in DNA fingerprinting? Radioactive probes bind to specific fragments in a DNA sample like a donor gene. A probe can identify which bacteria ha

Management of waste amalgam, Management of waste amalgam and wastes contain...

Management of waste amalgam and wastes containing mercury: As all of us know that amalgam is used for restorations very widely.An operator of a dental operation that produces w

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