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the pollen tube
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∙ 11y ago
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Why used the mature pollen grain in pollen germination experiment?
this is because premature pollen grain do not contain the sperm cell for fertilization. only the generative nucleus in mature pollen grain will divide mitosisly to form sperm cell for fertilization
What produces pollen grains?
The anther produces pollen grain.
How many chromosomes are there in the female nucleus of a pineapple pollen grain?
There are 50 chromosomes in both male and female pineapple pollen grain.
What is the part of the flower that receives the pollen grain from the anther?
The stigma recieves the pollen grain from the anther. It then travels down the pollen tube inside the style and goes to the ovary.
What happens when the pollen grain falls on the stigma?
when pollen grains falls on stigma, it creates a pollen tube which dilivers pollen grain and fuses with female gametes present in the ovule
What is difference between ungerminated pollen grain and germinated pollen grain?
The germinated pollen grain is empty of the male gamete nucleus.
Do Dicot have pollen grain?
yes Dicot have pollen grain and in Dicots pollen grain possess 3 germ pores
What is the difference between pollen and pollen grain?
Microscopic differences in shape and size.
What makes seeds when combined with a flower's eggs?
This tiny grain is called pollen grain.
Can a pollen grain of a flower have one lobe?
No, after a research it is not seen that a pollen grain of a flower have only one lobe. Commonly pollen grain have two or three lobes.
How does pollen grain compare to a microspore?
microspore when develops a exine around it, is called a pollen grain.
Is a pollen grain spore?
Yes of course, it is a microspore which becomes a pollen grain after developing an exine
Why used the mature pollen grain in pollen germination experiment?
this is because premature pollen grain do not contain the sperm cell for fertilization. only the generative nucleus in mature pollen grain will divide mitosisly to form sperm cell for fertilization
How close to the egg can the pollen grain get?
when a pollen grain lands on the stigma it creates a pollen tube that goes down to the egg where sperm fuzes with the egg.
What structure will pass down the pollen tube?
the pollen grain
What produces pollen grains?
The anther produces pollen grain.
A pollen grain produce a narrow tube called?
The pollen grain produces a narrow tube called the corbicula.
