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A pollen tube is a vital structure in plant reproduction that facilitates the transfer of sperm cells from the pollen grain to the ovule. Once the pollen grain lands on a compatible stigma, it germinates and grows a tube down the style toward the ovary. This allows the sperm cells to travel through the tube to fertilize the egg, leading to seed formation. Thus, the pollen tube plays a crucial role in ensuring successful fertilization and the continuation of the plant species.
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After the pollen grains land on the stigma what begins to grow from a cell in the pollen?
A pollen tube grows from a cell in the pollen and penetrates the style of the flower, allowing the sperm cells to travel to the ovule. This process is essential for fertilization to occur in plants.
Does a egg if a plant pass through the pollen tube or something different?
An egg in a plant does not pass through a pollen tube. In plant reproduction, the egg cell is located in the ovule within the ovary of the flower. The pollen tube allows the sperm cells to travel from the pollen to the egg for fertilization to occur.
What does a pollen grain landing near an ovule produce?
If a pollen grain lands near an ovule, it can lead to pollination, where the pollen grain forms a pollen tube that grows towards the ovule. Once the pollen tube reaches the ovule, fertilization can occur, resulting in the formation of a seed.
How pollen tube form?
Pollen tube formation begins when a pollen grain lands on a compatible stigma, where it absorbs moisture and germinates. The pollen grain then produces a pollen tube that grows down the style towards the ovule, facilitated by the tube cell and generative cell within the pollen grain. The pollen tube penetrates the ovule through the micropyle, allowing the sperm cells to travel down the tube to fertilize the egg cell. This process is crucial for successful fertilization and seed development in flowering plants.
What travels down the pollen tube and fertilizes?
The pollen tube carries the male gametes (sperm) from the pollen grain to the egg cell in the ovule. Once the pollen tube reaches the ovule, the sperm fertilizes the egg cell, resulting in the formation of a seed.
What job does the style do for a flower?
the job of the is style is where the pollen tube grows on.
what is the styles job on the flower?
the job of the is style is where the pollen tube grows on.
What transfer pollen from stamen to ovules?
A pollen tube grows from the pollen grain down through the style. The pollen tube enters the ovary and reaches an olvule. The sperm then travels down the pollen tube and fertilizes the egg in the ovule. So a pollen tube.
How does the pollen tube nucleus function in fertilization?
The pollen tube nucleus directs the growth of the pollen tube down through the pistil to the ovary
After the pollen grains land on the stigma what begins to grow from a cell in the pollen?
A pollen tube grows from a cell in the pollen and penetrates the style of the flower, allowing the sperm cells to travel to the ovule. This process is essential for fertilization to occur in plants.
How pollen tube grows down the style?
how pollen tube grows down through the style
What is the function of a pollen tube?
The long tube
What moves down the pollen tube into the ovary?
Pollen
A pollen grain forms a tube leading to the flower's what?
Pollen grows a tube that travels down to the flowers ovary. From there, the nucleus of the pollen grains passes through the pollen tube to join the nucleus of the ovule to fertilize.
What part of the flower is the pollen kept?
The pollen is made and stored by the anthers.In flowering plants the vegetative tube cell produces the pollen tube.
Does a egg if a plant pass through the pollen tube or something different?
An egg in a plant does not pass through a pollen tube. In plant reproduction, the egg cell is located in the ovule within the ovary of the flower. The pollen tube allows the sperm cells to travel from the pollen to the egg for fertilization to occur.
How pollen tube grows down through style?
how pollen tube grows down through the style
