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When something goes wrong during DNA replication, cells call their own version of 911 to pause the process and fix the problem -; a failsafe that is critical to maintaining health and staving off disease.
DNA is often likened to a blueprint. The particular sequence of As, Cs, Gs, and Ts in DNA provides information for building an organism.
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Cells use RNA as a versatile tool to regulate the activity of their genes. Small snippets of RNA can fine-tune how much protein is produced from various genes; some small RNAs can shut genes off altogether.
Researchers from the University of Eastern Finland and the University of Montreal (Canada) have discovered that a micro-protein, which they named Nrs1, supports cell division and proliferation when nutrients are scarce.
India is home to at least 20 per cent of the global childhood cancer burden, with nearly 75,000 kids getting cancer every year, according to the World Health Organisation (WHO).