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

What are the blood types of the abo blood system, What are the blood types ...

What are the blood types of the ABO blood system? The type A, the type B, the type AB and the type O are the blood types of the ABO blood system..

How do cam plants vary from both c3 and c4 plants, How do CAM plants vary f...

How do CAM plants vary from both C 3 and C 4 plants? CAM plants open their stomata at night, while C 3 and C 4 plants open their stomata during the day.

Explain process of determination of vitamin B6, Explain process of Determin...

Explain process of Determination of vitamin B 6 Colorimetric determination of indophenol dye using 2,6-dichloroquinone chloraimide as colour reagent or diethyl-p-phenylenediam

Character displacement and ecological exclusion, Consider two species of or...

Consider two species of organisms, species A and species B. Species A has a population in a community. Another population species B arrives into the same community, rather suddenly

What are persistent organic pollutants, Q. What are persistent organic poll...

Q. What are persistent organic pollutants (POPs)? The POPs, or persistent organic pollutants, are toxic substances formed from organic compounds. The POPs are made in several i

Cancer, Cancer ;  Cell  division , like  all other  biological  processes,...

Cancer ;  Cell  division , like  all other  biological  processes,  is under  genetic control. Certain  genes must regulate the processes  of cell growth  and division  in respons

What is class reptilia, What is Class Reptilia ? Class Reptilia includ...

What is Class Reptilia ? Class Reptilia include the vertebrates that have successfully transitioned to a terrestrial lifestyle by evolving protective scales and a "land egg."

Explain kingdom monera, Kingdom Monera The monerians are structurally t...

Kingdom Monera The monerians are structurally the simplest of all living things. They have apparently changed little since they first appeared on the earth. Their structure is

Define the process of digestion of proteins, Define the Process of Digestio...

Define the Process of Digestion of Proteins? The daily protein intake (of about 50-100 g) and the protein of enzymes, sloughed (bled or drop off) epithelial cells and mucins, 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