Answer: An external factor caused damage to the nerve cells. However, the injection of new cells into the injured area prompted a beneficial change. The injured cells received proteins that decreased inflammation and pain in the mice.
The cytoplasm and the nucleus together are known as the protoplasm, the living matter of the cell.
Answer:
A cell cycle is a series of events that takes place in a cell as it grows and divides
Explanation:
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After collecting specimens from many areas of the world, Darwin noted the similarities in them. He discovered that new kinds of species could gradually grow into new ones over years.
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Answer:
In the oxygen found in the molecules in the bonds between the atoms as chemical energy
