<span>Humans have 23 Chromosomes </span>
2. The endosymbiotic theory suggests that a eukaryotic cell is the result of one prokaryotic cell eating another.
The answer is cyanobacteria.
This is Genetic Engineering, it is an important process in BioTechnology.
Answer:

✏ Arteries are the vessels that carry blood away from the heart to various organs of the body.Since, the blood emerges from the heart under high pressure, the arteries have thick, elastic walls.