When the mrna has done it's job for the celll and is no longer of any use, it starts to degeneate
Answer:
Pollen grains are also adapted for insect pollination. Some pollen grains are hairy or spiky, and others are sticky, so they attach to the insect. The anthers dangle in the breeze, and the pollen is blown away. The pollen grains are very small and light so they are easily carried on the wind.
Explanation:
hope it helps
<span>A spindle fiber is a specialized form of microtubule </span><span><span>
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