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Molecular Biology is the study of biological molecules and the processes they mediate, particularly proteins and nucleic acids such as DNA and RNA. It aims to understand how these molecules carry out their functions in cells, and how they interact with each other and with the environment. In this hierarchy, Molecular Biology falls under the broader category of Biochemistry, which is itself a subfield of Biotechnology and Science. As such, it shares close ties with these parent categories, drawing on their principles and methods to deepen our understanding of biological systems at the molecular level. In this context, Molecular Biology can help shed light on the mechanisms underlying various biochemical reactions, as well as the ways in which genetic information is encoded, transmitted, and expressed. By bridging the gap between biotechnology and science, it opens up new avenues for research and innovation in fields ranging from medicine to agriculture and beyond.