Description of embryonic sac
Give a brief description of the term embryonic sac? Which are the cells that form embryonic sac? And also write down their ploidies?
Expert
The embryonic sac is female gametophyte of the angiosperms. The embryonic sac is composed of three cells which remain next to micropyle, two lateral synergids and central oosphere (egg); one binucleated cell, polar nuclei, is placed in central region; three antipodal cells stay in opposite side to micropyle.
Because all of these cells come by the mitosis from functional megaspore they are haploid.
Which of the illustrated web browsers give some kind of Platform for Privacy (P3P) support? a) Crazy Browser b) Netscape Navigator 7.2 c) Opera d)Mozilla Firefox What is the right answer.
Explain thermoacidophile, halophile, and methanogen archaebacteria?
The local manufacturer of work and gardening gloves has been enjoy moderate success in its local markets with physical sales team. The president is convinced that the e-commerce site could significantly rise sales, specially on an international market.Eluc
In the arthropods why is not gas exchange completed by cutaneous diffusion?
How do biodiversity, total number of living beings and biomass respectively differ throughout the ecological succession?
Write down some examples of biological activities in which osmosis plays a significant role?
What is the basic difference between lungs and gills?
Describe the significance of the uterine glycogenproducing glands? How long after ovulation should fecundation happen to be effective?
Write down the differentiation between fat-soluble and water-soluble vitamins? Why can fat-soluble vitamins cause injury when ingested in high amount?
Write the other name given to sex chromosomes? What is the main function of sex chromosomes?
18,76,764
1933610 Asked
3,689
Active Tutors
1426006
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!