Question

proteins
protein function as enzymes, which are specialized molecules that accelerate chemical reactions within living cells. enzymes lower the activation energy required for a reaction to occur, allowing it to happen at a much faster rate than it would without the enzyme.

enzymes achieve this by binding to specific substrates and facilitating the formation or breaking of chemical bonds, ultimately transforming the substrates into products. the versatility of enzymes allows them to be involved in various biochemical processes, such as digestion, cellular respiration, and dna replication, making them indispensable for lifes metabolic activities.

image of enzyme-substrate interaction process

what is the purpose of enzymes?

• store toxins
• provide fluidity to the cell
• partially visible option related to chemical reactions

Explanation:

The text explains that enzymes (a type of protein) lower activation energy for chemical reactions in cells, speeding them up. The options "store toxins" and "provide fluidity to the cell" don't match this function. The correct option (likely "catalyze chemical reactions" as per enzyme function) aligns with facilitating reactions by lowering activation energy.

Answer:

(Assuming the third option is "catalyze chemical reactions") C. catalyze chemical reactions