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.
Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.
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B. their fuction is a result of their shape and folding
Answer:
the food web
Explanation: A food web is a conceptual model that represents the flow of energy through an ecosystem.
The process that allows for the growth and development of a multicellular organism is mitosis
So the answer is A. mitosis
