Functions and definitions

• Enzymes are one of the most important biomolecules that are present in living organisms.

• They are responsible for catalyzing the chemical reactions that occur in the body. These reactions are necessary for the proper functioning of the body. Enzymes are typically made up of proteins, although some RNA molecules can also function as enzymes.

• Each enzyme is highly specific and catalyzes only one type of reaction. This specificity is due to the unique shape of the enzyme's active site, which allows it to bind to only one type of substrate.

• Enzymes are also sensitive to changes in temperature, pH, and other environmental factors. This means that they can be denatured or lose their activity if they are exposed to extreme conditions.

• High temperatures can cause enzymes to denature, which means that they lose their shape and can no longer function properly. Similarly, changes in pH can alter the charge distribution of the enzyme, which can affect its ability to catalyze reactions.

• Enzymes play a crucial role in many biological processes, including digestion, metabolism, and DNA replication. For example, enzymes in the digestive system break down food molecules into smaller, more easily absorbed molecules.

• Enzymes in the liver are responsible for metabolizing drugs and toxins in the body. Enzymes are also involved in DNA replication, where they help to unwind the DNA double helix and synthesize new strands of DNA.

In conclusion, enzymes are essential biomolecules that are responsible for catalyzing the chemical reactions that occur in living organisms. They are highly specific, sensitive to environmental factors, and play a crucial role in many biological processes. Without enzymes, many of the essential chemical reactions that occur in the body would not be possible.

Enzymes are biological molecules that catalyze (speed up) chemical reactions in living organisms. They are typically proteins, but some RNA molecules can also function as enzymes. Enzymes are highly specific, meaning that each enzyme catalyzes only one type of reaction. They are also sensitive to changes in temperature, pH, and other environmental factors. Enzymes play a crucial role in many biological processes, including digestion, metabolism, and DNA replication.