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

State about the importance of potassium, State about the importance of Pota...

State about the importance of Potassium  Potassium is the third major element required for plant growth, generally absorbed as K + ion. In soil 95 to 99 percent of potassium e

Photosynthesis - responses of plants to stress, Photosynthesis - Responses ...

Photosynthesis - Responses of Plants to Stress Photosynthesis is also inhibited due to low water potential in the leaves. The leaf water potential is the sum of turgor pressur

What are diseases of the connective tissue, Q. What are diseases of the con...

Q. What are diseases of the connective tissue? What are some of them? Diseases of the connective tissue are acquired or hereditary diseases numerous of autoimmune cause charact

Nutritional management for patient of alzheimer''s disease, Define Feeding ...

Define Feeding and Nutritional Management for patient of alzheimer's disease? Keeping the clinical manifestations of Alzheimer's disease in mind, treatment involves personaliz

Embryonic development, Embryonic Development The embryonic stage exte...

Embryonic Development The embryonic stage extends from the second week by the 8th week and is charactrised by formation of placenta, the development of internal organs and ap

Hydropower, Energy from water or hydropower            Hydroelectrici...

Energy from water or hydropower            Hydroelectricity is the energy produce from the kinetic energy of water falling from height. Approximately 25% of world electricity

Explain what is dna, Explain what is DNA? DNA : DNA is the source of t...

Explain what is DNA? DNA : DNA is the source of the information that directs the development of the cell. Although all segments of DNA are not active in every cell in the huma

What is atrial septal defect, What is Atrial Septal Defect ? Fig...

What is Atrial Septal Defect ? Figure: Anatomical location of Am Indication for Surgery :  The presence of an ASD or PAPVC (Partial Anomalous Pulmonary Venous Conn

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