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This field aims to understand the molecular basis of various biological processes, including replication, transcription, translation, and cellular signaling. The Wikipedia page on molecular biology provides a comprehensive overview of the subject, covering its history, key concepts, techniques, and applications. The history section delves into the origins of molecular biology, highlighting important discoveries and breakthroughs that shaped the field, such as the identification of DNA as the genetic material and the elucidation of its double helix structure. The page then delves into various topics within molecular biology, including an in-depth explanation of DNA replication, transcription (the process of copying DNA into RNA), and translation (the process of using the RNA to build proteins). It also explores gene expression, regulation, and the role of mutations and genetic variations. The section on techniques explains some of the key experimental methods used in molecular biology, such as polymerase chain reaction (PCR), DNA sequencing, and various cloning techniques like recombinant DNA technology. It also covers genetic engineering and how it has revolutionized fields such as medicine, agriculture, and biotechnology. Furthermore, the page discusses the applications of molecular biology in various areas, including medicine, genetics, evolution, and biotechnology. It explores how molecular biology has contributed to our understanding of diseases, like cancer, and how it has facilitated the development of diagnostic tools and targeted therapies. It also highlights the role of molecular biology in studying genetic disorders and tracing human evolutionary history. Overall, the Wikipedia page on molecular biology serves as a valuable resource for anyone seeking to understand the fundamental principles and applications of this field. It provides a comprehensive summary of the subject's history, concepts, techniques, and real-world impacts, making it an essential reference for students, researchers, and enthusiasts alike.