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Why do pollen grains havecarbohydrate?
Pollen grains contain carbohydrates primarily as a source of energy for the developing pollen tube during fertilization. These carbohydrates, often in the form of starches or sugars, provide the necessary fuel for cellular respiration and growth as the pollen tube travels to the ovule. Additionally, carbohydrates play a role in the structural integrity of the pollen grain, helping to protect it from environmental stresses until it reaches its destination.
What is the function of stigma in protists?
The function of it is to store pollen grains
What is the function of pollen grains?
Matured pollen grains contained sperm cells. When Pollen grains are sticky, you have pollen. Pollen grains are contained in the pollen sac, with the purpose of helping plants reproduce.
What are 3 examples of an antigen?
An antigen is a foreign substance that provokes an immune response in the body. Examples of antigens are: bacteria, pollen grains and large carbohydrates.
Grains that surround and protect a plants sperm?
Pollen grains
What are pollen grain?
pollen grains are little grains in side a flower
Are pollen grains diploid in nature?
No, pollen grains are haploid in nature.
Which part of the stamen contains pollen grains?
The anther is the part of the stamen that contains the pollen grains. These pollen grains are the male reproductive cells that are essential for the process of pollination.
What produces pollen grains?
Pollen grains are produced by the male reproductive organs of flowering plants called anthers. Anthers contain pollen sacs where pollen grains develop and mature.
What contains two pollen sacs with pollen grains?
A pollen sac is found in the anther of a flower, which contains pollen grains. Each anther typically has two pollen sacs, known as microsporangia, where pollen grains are produced via meiosis.
Where are pollen grains produced?
pollen grains are produced in pollen sac of anthers which are present on the male gamets of flower
What are grains that produce sperm cells called?
Microspore mother cell after undergoing meiosis produces pollen grains, and the pollen grains during germination produce sperms by undergoing pollen mitosis.
