Hemoglobin serves as a chemical messenger
Answer:
Explanation:
ummm what type in a trcik?
queen annes war was also called the war of spanish succession.
No because a chemical reaction that is at equilibrium in living cells is not capable of doing any work
D
Explanation:
With the help T cells , B cells make special proteins called antibodies which stick to antigens on surface of germs stopping them in their track.
