The branch of biology that deals with the study of chemical compounds and the chemical processes in living organisms is called

Explanation

The correct answer is biochemistry. Biochemistry is the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms. It integrates principles from both biology and chemistry to understand these processes.Chemistry is not specific to living organisms, as it deals with the study of matter in general. Molecular biology focuses more on the molecular mechanisms behind biological processes but does not primarily focus on chemical reactions and compounds. The option "both A and B" is incorrect because neither chemistry nor molecular biology, individually or collectively, addresses the specific focus of biochemical processes in living organisms as biochemistry does.