Final answer:
Microbial genetics is the study of genetic variations and mechanisms in microorganisms, while molecular biology is the study of biological processes at the molecular level. While they both overlap in the study of genetics, microbial genetics specifically focuses on genetic variations within microorganisms.
Step-by-step explanation:
Microbial genetics refers to the study of genetic variations and mechanisms within microorganisms, including bacteria and viruses. It focuses on understanding how genes are inherited, transferred, and expressed in these organisms. Molecular biology, on the other hand, is a broader field that encompasses the study of biological processes at the molecular level, including the structure, function, and interactions of biomolecules such as DNA, RNA, and proteins. While both fields overlap in their study of genetics, microbial genetics specifically focuses on genetic variations within microorganisms.