When we see pictures of chromosomes ... We've now zoomed in enough to see portions of the DNA strand. The DNA is wrapped around histones -- protein structures that are sometimes depicted as ...

This means that one strand's sugar-phosphate chain runs in ... used a process called X-ray diffraction to capture images of DNA molecules (Figure 5). Although the black lines in these photos ...

The King's team took an experimental approach, looking particularly at x-ray diffraction images of DNA ... Watson and Crick showed that each strand of the DNA molecule was a template for the ...

The practical absence of physical knots in known RNA chains contrasts with the documented incidence of knots in other biomolecules (proteins and viral DNA) and suggests that thermodynamic or ...

For the first time, scientists have witnessed the very moment DNA begins to unravel, revealing a necessary molecular event ...