Double fertilization, Biology

Assignment Help:

Double fertilization It carries two sperm cells to the female. A characteristic of angiosperms in which the pollen tube gametophyte in the ovule. The one sperm cell fuses with the egg cell and gives rise to the diploid embryo and the other sperm cell fuses with the two polar cells to form the triploid cell which develops into the endosperm.


Related Discussions:- Double fertilization

Replication of chromatin, Whenever a chromosome is replicated the replicati...

Whenever a chromosome is replicated the replication machinery passes by the nucleosomes without deleting the histones from the DNA. How this happens is since not fully understood.

Sources of pollution, There are two main sources of pollution: (1). Nat...

There are two main sources of pollution: (1). Natural Sources:             (a) Volcanic ash             (b) Marsh gas (CH4) released from decay of organic matter.

Stimulents, STIMULENT S - It makes a person more wakeful, alert and ac...

STIMULENT S - It makes a person more wakeful, alert and active. (i) Caffeine ( C 8 H 10 N 4 O 2 ) - It is 1,3,7-trimethylxanthine obtained from tea leaves ( Thea si

What do you mean by sampling?, Question 1 Explain the essential elements o...

Question 1 Explain the essential elements of Pharmaceutical Manufacturing Question 2 What is pharmacokinetics? Briefly describe the different pharmacokinetic processes that d

What is the molarity of the solution, The molecular weight of "Y" is 200. I...

The molecular weight of "Y" is 200. I use 10g of "Y" in 10mL of water. What is the molarity of this solution of "Y"? What percentage solution of "Y" is it?

Why ammoniotelic excretion occur, Why after the passage of animals from the...

Why after the passage of animals from the aquatic to the terrestrial habitat does the abandonment of the ammoniotelic excretion occur? Ammonia is a highly toxic molecule if not

What is haccp control, HACCP Control :  a) To manage the conditions of an o...

HACCP Control :  a) To manage the conditions of an operation  to maintain compliance with established criteria. b)  The state where correct procedures are being followed  and  c

What do you understand by amphid, What do you Understand by Amphid? Uni...

What do you Understand by Amphid? Unique to the nematodes, these paired sensory structures are located on the sides of the head. An external pore leads to an inner chamber and

Lymph, LYMPH - Lymph is a mobile connective tissue comprising lymph pla...

LYMPH - Lymph is a mobile connective tissue comprising lymph plasma (fluid) and lymphcorpuscles (cells).   COMPOSITIO N - (i )      Lymph Plasma - It is simil

Human activities which could cause the loss of a species, List three human ...

List three human activities which could cause the loss of a species. Human activities which threaten species with extinction are: (i) hunting of individual species, (ii) over-

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