Final answer:
An enzyme is a biological substance that enables reactions to take place at lower temperatures in an organism by acting as a catalyst in biochemical reactions.
Step-by-step explanation:
An enzyme is a biological substance that enables reactions to take place at lower temperatures in an organism. Enzymes act as catalysts in biochemical reactions, increasing the rate of the reaction without being consumed in the process. They do this by lowering the activation energy required for the reaction to occur. Enzymes are usually proteins, and they work by binding to the reactant molecules and facilitating the bond-breaking and bond-forming processes.
Enzymes are biological substances that act as catalysts, enabling biochemical reactions to occur at lower temperatures within organisms by reducing the activation energy needed. They bind to specific substances called substrates to speed up reactions.
The biological substance that enables reactions to take place at lower temperatures in an organism is an enzyme. Enzymes are special types of proteins that act as biological catalysts, speeding up biochemical reactions without being consumed by the reaction. Most biochemical reactions would occur too slowly at normal body temperatures without the assistance of enzymes. The specific substance that an enzyme affects in a biochemical reaction is called the enzyme's substrate.
Enzymes function by lowering the activation energy needed for reactions to occur, which allows these reactions to happen at the temperatures found within living organisms. By binding to substrates, enzymes reduce the activation energy required, facilitating the reactions that are essential for life.