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Explore the essential role of protein molecules in human body functioning in this concluding lecture from Sir David Phillips' 1980 Christmas Lecture series at The Royal Institution. Discover how various protein types including enzymes, transport molecules like haemoglobin, hormones such as insulin and glucagon, cellular receptors, antibodies, and blood clotting proteins work together to maintain complex biological processes. Learn about the growing medical and industrial applications of these proteins as scientific understanding advances, and examine how natural protein synthesis mechanisms can be harnessed to produce needed proteins. Delve into the fundamental question of molecular origins - which came first, DNA or protein - while understanding the intricate relationship between DNA, protein production, and the complexity of life itself.
