Colorado Esthetician Written Practice Exam

The correct answer is A. Biochemistry. Biochemistry deals with the chemical processes and substances that occur within living organisms. It specifically focuses on the molecular level and the elements that make up biological molecules, including carbon, which is essential for life. Organic Chemistry also deals with substances containing carbon, but it is more focused on the structure, properties, composition, reactions, and preparation of carbon-containing compounds. Inorganic Chemistry, on the other hand, mainly deals with compounds that do not contain carbon. Physical Chemistry is concerned with the study of the physical properties and behavior of matter, rather than the specific elements present in substances.