<span>Enzymes are biological catalysts (they are proteins). Enzymes regulate metabolic pathways in the body.
e.g. Digestive enzymes in your stomach speed up the hydrolysis and breakdown of carbohydrates, proteins and fats in the food you consume.</span>
Answer:
liver arm ,pivot, effort and load
B.check her buildings foundation to ensure it is resistant to shaking caused by moving tectonic plates.