Can you explain embryonic sac, Biology

Assignment Help:

Q. What is embryonic sac? Which are the cells that form the embryonic sac? What are their ploidies?

The embryonic sac is female gametophyte of angiosperms.

The embryonic sac is collected of three cells that remain next to the micropyle, two lateral synergids and the central oosphere (egg); one binucleated cell, the polar nuclei, is placed in the central region; three antipodal cells stay in the opposite side to the micropyle. Ever since all these cells come by mitosis from the functional megaspore they are haploid (n).


Related Discussions:- Can you explain embryonic sac

Define effect of deficiency of chromiumin humans, Define Effect of Deficien...

Define Effect of Deficiency of chromiumin humans? Hallmark of marginal chromium deficiency is impaired glucose tolerance. Individuals receiving TPN without chromium have been s

Explain antimicrobial susceptibility - tuberculosis, Explain antimicrobial ...

Explain antimicrobial susceptibility All isolates of M. tuberculosis  should be tested for antimicrobial susceptibility. Initial therapy for most patients with active TB should

biodegrade xenobiotic compounds , Xenobiotic compounds are man-made chemi...

Xenobiotic compounds are man-made chemicals that are present in the environment at unnaturally high concentrations. The xenobiotic compounds are either not produced naturally, o

What is population growth rate, Q. What is population growth rate? The ...

Q. What is population growth rate? The Population growth rate (PGR) is the percent variation between the numbers of individuals in a population at two different times. Thus the

Explain about the brownian ratchets and molecular motors, Explain about the...

Explain about the Brownian ratchets and molecular motors ? How work is carried out by molecules within biological cells is essential to understanding how cells function. A clue

What are the techniques of pumonary embolism operations, What are the techn...

What are the techniques of pumonary embolism operations ? Technique of Operation :  Patients who are very unstable will have to be put on bypass by cannulation of femoral art

Explain prevention of endocarditis, Explain prevention of endocarditis ...

Explain prevention of endocarditis Many physicians believe that antimicrobial prophylaxis before process that may cause transient bacteremia can stop endocarditis and prostheti

Define interaction of vitamin c with pyridoxine, Define interaction of vita...

Define interaction of vitamin c with Pyridoxine? Pyridoxine is involved in glyconeogenesis through its action in transaminase reactions. Low levels of pyridoxine impair glucose

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