Answer: Chemical reactions occur when chemical bonds between atoms are formed or broken. The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.
Explanation:
Answer:
This means that only 1.5% of human DNA has amino acids
The answer is C. Nonpolar ends of phospholipids are exposed to watee inside and outside the cell
Answer:It produces antigens which stimulate a fever.
