Answer:

Step-by-step explanation:
Enzymes:
- are biological catalysts.
- speed up metabolic reactions.
- neither change the reaction nor are changed by it.
Examples:
- protease for breaking down proteins into amino acid.
- lipase for breaking down lipids into fatty acids and glycerol.
![\rule[225]{225}{2}](https://img.qammunity.org/2023/formulas/english/college/eq413d752mwtrwwenrzwldxt4w1olmf1b3.png)