What is biochemistry, and how does it differ from the fiellds of genetics,biology, chemistry, and molecular biology?

Biochemistry is the study of chemicals that occur with in the living organism. This branch of science differs from the fields of genetics,because genetics is the study of heredtity, and the differnt characteristics of inheritance.  Biochemistry differs from Biology because biology  is a field where you study life of  a particular organism. Chemistry is the study of  diffenent chemicals and their properites of substances. Molecular biology is the study of macromolecules.