Molecules of some enzymes consist only of proteins, others include protein and a non-protein compound, or coenzyme. As a result of exposure to high temperature, protein denaturation occurs, as a result of which they lose their properties.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.