Nuclleus embryo sac micropyle pollen grain
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Answer:
hy
Explanation:
Micropyle is a small opening in the surface of an ovule. Embryo sac is the structure within a plant ovule that contains the egg cell. Nucellus is the central part of an ovule, containing the embryo sac. Pollen grain is a microscopic body that contains the male reproductive cell of a plan
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Answer:
As you know, the anther of the stamen produces pollen grains. That in itself is an interesting process that I would discuss in detail with a course for biology majors. For this course, I'll leave it that indeed the anther makes pollen grains.
What is a pollen grain? This structure is almost dust-sized. It has an outer wall that, in some wind-pollinated species, is allergenic to humans. In the photomicrograph below, the thick wall appears somewhat reddish due to a dye used in the preparation of the microscope slide.
Explanation:
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