How Is The Inside Of The Nucleus Connected To The Cytosol
The inside of the nucleus is connected to the cytosol by nuclear pore complexes present in the nuclear envelope. The... View Article
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What Is Prepuce In Male Reproductive System
Prepuce is also known as the foreskin, which is a loose fold of skin covering the glans penis. Further... View Article
What Is The Smallest Flowering Plant
The smallest flowering plant is Wolffia. The average size of the plant is 0.3 mm to 0.6 mm. Further reading:... View Article
How Many Pistils Does A Sunflower Have
Sunflower belongs to the Asteraceae or Compositae family. Disc florets of sunflower have two fused carpels and 5 stamens. Further... View Article
Why Do Some Pollen Grains Fail To Germinate
Pistil has an ability to recognise the right type of pollen and accept it for further germination. The pollen grains,... View Article
Which Vector Can Clone Only A Small Fragment Of DNA
Plasmids can clone only a small fragment of DNA. They are small, circular, extrachromosomal DNA present in bacteria, which can... View Article
Which Extraembryonic Membrane Participates In The Formation Of The Placenta
The chorion participates in the formation of placenta. The chorionic villi present on the trophoblast and uterine tissue interdigit and... View Article
How Long Does Blastocyst Take To Implant
Implantation occurs after 7-8 days of fertilisation. The fertilised ovum starts dividing and then from the morula (8-16 cells) the... View Article
When Is Embryo Transfer Done In Ivf
During IVF, the embryo transfer is done either at an early stage with up to 8 blastomeres or zygote transfer,... View Article
When Is An Embryo Called A Foetus
An embryo is called as foetus only after 8 weeks of fertilisation or conception or after 10 weeks of pregnancy.... View Article
What Does A Four Week Old Embryo Look Like
A four week embryo is of a size of a poppy seed, around 0.04 inch long. The heart begins to... View Article
What Happens When A Pollen Grain Falls On The Stigma
When a pollen grain falls on stigma, there occurs chemical communication between pollen grain and pistil, which helps pistil in... View Article
How Many Meiotic Divisions Occur To Produce 100 Pollen Grains
Meiosis is also called reduction division as the chromosomes are halved in the daughter cells. Gametes are produced by meiosis... View Article
Is Ginger A Flowering Plant
Yes, ginger is a flowering plant. It is an angiosperm and monocotyledon. It belongs to the family Zingiberaceae. Further reading:... View Article
How Does Grass Pollinate
Grasses are wind pollinated. Wind transfers pollen to stigma and then through growing pollen tube male gamete enters the ovule.... View Article
What Happens After The Ovules Are Pollinated
After pollination, male gametes fuse with the egg cell and the secondary nucleus to undergo double fertilisation. After fertilisation, the... View Article
What Produces The Pollen Grains
Pollen grains are produced inside the anther. Pollen mother cells of sporogenous tissue, present in the centre of each microsporangium... View Article
What Is A Non Flowering Plant Called
Non-flowering and seedless plants are known as cryptogams. They reproduce by spores. Examples include algae, bryophytes and pteridophytes. Gymnosperms are... View Article
Why Is Pollination Important
Pollination is an important part of sexual reproduction in plants. It is a process by which pollen grains are transferred... View Article
What Are Non Flowering Plants
Non-flowering plants are those plants which do not produce flowers. Examples are bryophytes, pteridophytes and gymnosperms. Gymnosperms produce seeds but... View Article
