Answer:
Mutation. A mistake made while DNA copies which causes changes in DNA
Explanation:
So the organisms could be classified in the same animal families
The temperature and blood pressure of the patient drops.
Thylakoids are membrane-bounded structures that contain chlorophyll.
Answer: Option B
Explanation: The thin layer that forms the outer covering of the cell is known as the cell membrane. It is composed of the lipid bilayer which as embedded proteins.
This membrane is selectively permeable which means it allows only specific molecules to pass through them.
The main function of cell membrane is to protect the cell from the outer environment and by the invasion of harmful bacteria and viruses.
