Answer:
The answer is antibodies.
Explanation:
Antigens are the molecules in the body that have the ability of causing an immune response to a disease whereas antibodies are protein molecules that are produced by the cells in the immune system for each specific disease. So if a doctor wanted to find out whether the person is immune to a disease or not by running a blood test, the focus should be on the presence of antibodies.
I hope this answer helps.
Answer:
The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
Explanation:
Answer:
D) they influence the rate of chemical reactions
Answer is C bc of the fact of diameter
