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A single pollen grain contains the generative material that forms the male gametes. It also contains the material that will form the pollen tube when the pollen lands on the pistil. These are covered by a thin layer called the intine or endospore as well as a thick protective wall called the exine or exospore.
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What is the process that involves a sperm cell from a pollen grain uniting with an egg cell stored inside and ovule?
sexual reproductive
How nucleus from a pollen grain fertilize a female egg cell?
How the nucleus from a pollen grain fertilize a female egg cell
How the nucleus from a pollen grain fertilizers a female egg cell?
How the nucleus from a pollen grain fertilize a female egg cell
Is a pollen grain spore?
No, a pollen grain is not a spore. A pollen grain is a male gametophyte produced by seed plants for the purpose of reproduction, while a spore is a reproductive cell that can develop into a new organism without the need for fusion with another cell.
How does pollen grain compare to a microspore?
A pollen grain is a mature microspore that consists of two cells (generative cell and tube cell) enclosed within a protective wall. A microspore is a haploid cell produced in the sporangia of seed plants that eventually develops into a pollen grain through the process of microsporogenesis.
What is the process that involves a sperm cell from a pollen grain uniting with an egg cell stored inside and ovule?
sexual reproductive
How nucleus from a pollen grain fertilize a female egg cell?
How the nucleus from a pollen grain fertilize a female egg cell
How the nucleus from a pollen grain fertilizers a female egg cell?
How the nucleus from a pollen grain fertilize a female egg cell
What is the male sex cell from a pollen grain?
reproductive cell
The male sex cell from pollen grain?
The male sex cells from pollen grain are called male gametes.
Is a pollen grain spore?
No, a pollen grain is not a spore. A pollen grain is a male gametophyte produced by seed plants for the purpose of reproduction, while a spore is a reproductive cell that can develop into a new organism without the need for fusion with another cell.
How does pollen grain compare to a microspore?
A pollen grain is a mature microspore that consists of two cells (generative cell and tube cell) enclosed within a protective wall. A microspore is a haploid cell produced in the sporangia of seed plants that eventually develops into a pollen grain through the process of microsporogenesis.
When the pollen tube emerges from the pollen grain what cells are transported inside it?
Sperms. It is sperms
Does sperm cell grows out of a pollen grain?
No, sperm cells do not grow out of a pollen grain. In plants, sperm cells are produced within the pollen grain, and they are involved in fertilization when the pollen grain reaches a female reproductive structure. Each pollen grain contains two sperm cells.
What is the male sex cell from a pollen grain called?
The male sex cell from a pollen grain is called a sperm cell. It is responsible for fertilizing the female sex cell (ovule) in plants during the process of pollination.
What does a pollen grain and ovule each contain?
Pollen grains contain the male gametes required for sexual reproduction of a plant/ flower. These are haploid, and only contain half the full set of chromosomes; the other half is contributed by the female gamete (or ovule).A grain of pollen contains:a larger vegetative cell (also called the tube cell) inside of which is aa smaller germ cell (also called the generative cell).The pollen grain "germinates" on the stigma of the receptive flower and grows down the style, once it reaches the ovule the germ cell/ nucleus fuses with the nucleus of the ovule and an embryo is formed
How does fertilization take place in flowers?
the pollen grain lands ot the tip of pistle called as stigma and then pollen tube from pollen grain germinates and it reaches the ovary through style(containing 2 male gamets).. then fertilisation takes place... or is when the male sex cells inside the pollen grains fuses with the female sex cells inside to produce a seed embryo Pollination transfers the pollen grain to the stigma. However, for hertilisation to take place, the nucleus of the pollen grain must fuse with the nucleus of the ovum, which is inside an ovule in the ovary. To transfer the nucleus to the ovum, the pollen grain grows a tube, which digest its way through the tissue of the style and into the ovary. Here it grows around the opening in an ovule. The tip of the tube dissolves and allows the pollen grain nucleus to move out of the tube and into the ovule. Here it fertilises the ovum (egg cell) nucleus.
