Customer Service Chat
Get quote & make Payment
Embryo-sac is formed from megaspore mother cell.
In embro-sac, there are 7 cells arranged in 3 groups. The 7 cells are one egg (female gamete), 2 synergids, one central cell (secondary nucleus) and 3 antipodals.
All the cells except secondary nucleus are in haploid condition (n) secondary nucleus is diploid (2n)
The synergids are also known as helper cells. These cells direct the growth of pollen tube towards the egg. They have beak like structure and are situated near the micropylar end.
The 3 antipodals live only for a short duration. They are situated near the chalazal end of the embryo-sac.
Posted Date: 8/29/2012 6:26:20 AM | Location : United States
Ask an Expert
Embryo-sac, Assignment Help, Ask Question on Embryo-sac, Get Answer, Expert's Help, Embryo-sac Discussions
Write discussion on Embryo-sac
Your posts are moderated
Write your message here..
Mutation rates, Each gene has a characteristic mutation rate. Mutation rate...
Each gene has a characteristic mutation rate. Mutation rates are often described as an average per gene basis. For instance, Drosophila has one detectable mutation per 10,000 loci,
Mycotoxins, Fungi are a very diverse group of organisms and have a signific...
Fungi are a very diverse group of organisms and have a significant impact on the production, spoilage and safety of food. Molds have not only served to synthesize antibiotics but a
Explain the fluoride toxicity, Explain the Fluoride Toxicity? Fluoride ...
Explain the Fluoride Toxicity? Fluoride is a cumulative toxin. Ingestion of fluoride 1.0-1.5 mg/L for several years may produce dental fluorosis, i.e. browning and pitting of t
Explain about the cardiovascular disease and stroke, Explain the Cardiovasc...
Explain the Cardiovascular disease and stroke? Obesity may be an independent risk factor for coronary heart disease (CHD) with the degree of obesity being directly proportional
What is punnett squares in genetics, What is Punnett Squares in genetics? ...
What is Punnett Squares in genetics? The probability, or likelihood, that a certain phenotypic or genotypic trait will appear in offspring can be predicted and diagrammed using
Explain aabout milk fats - edible fats, Milk Fats Fats of this group a...
Milk Fats Fats of this group are derived from the milk of ruminants, particularly cows and buffaloes. Although the major fatty acids of milk fat are palmitic, oleic and steari
What are the hexoses, Q. What are the hexoses? What are some examples of he...
Q. What are the hexoses? What are some examples of hexoses with vital biological functions? Hexoses are carbohydrates whole of six carbons. Galactose, fructose and Glucose are
Social determinants of health - transport, Social Determinants of Health - ...
Social Determinants of Health - Transport Rising worldwide incomes have led to a massive use of automobiles and in particular cars. Cars are seen as a threat to health because
Gonads and ovary - reproduction, Normal 0 false false false...
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Explain about cyanocobalamin, Explain about Cyanocobalamin Cyanocobala...
Explain about Cyanocobalamin Cyanocobalamin occurs as dark red crystals or as a crystalline hygroscopic powder of the same colour without odour and taste. Upon standing in the
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Terms & Conditions
Copyright by ExpertsMind IT Educational Pvt. Ltd.