What is the lesson? It doesn't say.
I think A. But not purposeful, purposelessness is correct answer
Answer:
A case study of the effects of mutation: Sickle cell anemia. Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells.
Explanation:
The answer bnb is true becuase without desity in anything nothing would circulate
The answer should be d, they are in domain eukarya so their cells are eukaryotic.
