Most of the functions in human cells, such as involve chemical reactions. these chemical reactions are often aided by protein catalysts known as enzymes. i. the breakdown of food particles ii. the creation of genetic information iii. the synthesis of molecules iv. the formation of chemical food

The correct answer is (1)

Our whole body depends on chemical reaction, one of its example is digestion of food in our body. During digestion, the food is broken down into smaller molecules. The salivary glands in our mouth release digestive enzymes(work as catalyst) which help in the breakdown of food. Digestion continues in the stomach and small intestine with the help of digestive enzymes.

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explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.