The DNA packed inside every human cell contains instructions for life, written in billions of letters of genetic code. Every time a cell divides, the complete code, divided among 46 chromosomes, must ...
Researchers have modeled a key mechanism by which DNA replicates. The study could help identify new targets to treat disease. Knowing the structure of a complex biological system isn't nearly enough ...
Long strands of DNA wind themselves around a chromatin “spool” made out of the protein histone in this picture taken with a new 3-D atomic-force microscope, the NanoWizard BioAFM. Histone plays a ...
A new study has found that the photosynthetic bacterium Synechococcus elongatus uses a circadian clock to precisely time DNA replication, and that interrupting this circadian rhythm prevents ...
Every time a cell divides, it must copy its entire genome so that each daughter cell inherits a complete set of DNA. During that process, enzymes known as polymerases race along the DNA to copy its ...
Franklin W. Stahl, an American molecular biologist whose landmark 1957-58 experiment with colleague Matthew Meselson revealed how DNA replicates, helping pave the way for a revolution in genetics ...
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