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 nutritional management of eating disorders, Define Nutritional Manag...

Define Nutritional Management of Eating Disorders? In the last unit, we focused on weight management. It is important to understand that the problems associated with too much d

Effects of malnutrition, Effects of malnutrition The effects of maln...

Effects of malnutrition The effects of malnutrition are not the same in adults and children. When the amount of food is not sufficient or when the nutrients are missing f

Explain about the whey protein concentrates, Explain about the Whey Protein...

Explain about the Whey Protein Concentrates? You already know that whey is the residual liquid substance that is obtained by separating the coagulum from milk during cheesemaki

What do you understand by pharynx, What do you understand by Pharynx? T...

What do you understand by Pharynx? The region of digestive tract between the mouth and esophagus. In most animals it's muscular and forces food into the digestive tract which l

GRADE 8 SCIENCE, what effects do human technologies have on our water syste...

what effects do human technologies have on our water systems?

Necrotic enteritis, N e c r otic enteritis It can be designated as ...

N e c r otic enteritis It can be designated as enterotoxaemia of chickens, turkeys and ducks caused by Clostridium perfringens. The toxin released by this spore-bearing a

Pulmonary valvotomy on cardio pulmonary bypass, Pulmonary Valvotomy on ...

Pulmonary Valvotomy on Cardio Pulmonary Bypass :  Patient is connected to cardio pulmonary bypass using ascending aortic cannula and single 01- double (preferred) ven

What characteristics distinguish fungi from plants, What characteristics di...

What characteristics distinguish fungi from plants? Fungi contain some unicellular forms, but plants do not; most plants are autotrophic, but all fungi are heterotrophic. Fungi

How to use atp to make reactions go, What do enzymes do, and how? How is en...

What do enzymes do, and how? How is enzyme activity regulated in cells? How do ATPases u se ATP to make reactions go?

Carbohydrate digestion, Carbohydrate Digestion Simple sugars like gluc...

Carbohydrate Digestion Simple sugars like glucose and fructose can be absorbed and metabolised directly but disaccharides such as sucrose or lactose and polysaccharides such a

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