What is the function of enzymes in the living system?

• (a) Transport oxygen
• (b) Provide immunity
• (c) Catalyze biochemical reaction
• (d) Provide energy

Enzymes play a crucial role in living organisms by acting as catalysts for biochemical reactions. They speed up these reactions without being consumed in the process, making them essential for various physiological functions.

Key Functions of Enzymes

• Catalyzing Reactions: Enzymes lower the activation energy needed for reactions, allowing them to occur more quickly and efficiently.
• Specificity: Each enzyme is specific to a particular substrate, ensuring that the right reactions happen at the right time.
• Regulation: Enzymes can be regulated by various factors, including temperature and pH, which helps maintain homeostasis in the body.

Why Enzymes Matter

Without enzymes, many vital processes, such as digestion and metabolism, would occur too slowly to sustain life. Therefore, the correct answer to your question is (c) Catalyze biochemical reactions.