molecular biology
branch of biology that deals with the molecular basis of biological activity
AI overview
Molecular biology is the study of how life works at the smallest scale, examining the molecules—particularly DNA and proteins—that carry out the basic functions of living cells. Understanding these molecular processes matters because it helps us comprehend how organisms function, develop, and evolve, and provides the foundation for medical advances like treating diseases and developing new drugs.
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The central dogma of molecular biology showing the flow of genetic information within a biological system.
Example of a molecular biology concept. Model showing the interactions between DNA and proteins during DNA replication: Template DNA strand (yellow), a newly-synthesized daughter DNA strand (cyan), three subunits of PCNA (shades of blue), and the catalytic subunit of DNA Polymerase ε (green).