explain the structure of pollen grain
Answers
Pollen grains are microscopic structures that vary in size and shape. Some are tiny orbs, while others are egg-shaped. Although too small to see individually, they can be seen by the naked eye in large quantities. You have probably noticed a bright orange-yellow coating on your car during springtime that closely resembles cheese powder from the macaroni and cheese box.
Let's zoom in to take a closer look. There are three main components of a pollen grain. The inside of the grain is made up of cytoplasm. This fluid medium houses the aforementioned living cells, keeping them moist and alive. The outer shell is made up of two layers. The inside layer is aptly named the intine (think interior). It is composed partly of cellulose, a common component in the cell walls of plant cells.
Pollen Grain Diagram
pollen
The tough-as-nails outer layer is known as the exine (think exterior). This highly sophisticated and complex outer layer is rich in a compound known as sporopollenin. Waterproof, resistant to deterioration and very stiff, this shell is basically one of nature's most advanced polymers. It ensures that the tender cells inside have a strong chance of survival.
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Answer:
Explanation:
the pollen grain is in the ball structure . it has a specials tissue . which is known as the pollen grains