Answer: The answer is D.
Explanation: Sympathetic and Parasympathetic nervous systems work against each other to maintain homeostasis.
Answer is
A) Electrón trasport chain
c . 10000 its right i took the quiz
Answer:
Enzymes speed up the chemical reactions in living cells.
Explanation:
An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.