DNA is the molecular basis of heredity ... Adenine and guanine are double-ring molecules called purines, but cytosine, thymine and uracil are all pyrimidines: single rings. To maintain its ...

1 Reduced folate (tetrahydrofolate) is the proximal single carbon donor in several reactions involved in the de novo synthetic pathways for purine and pyrimidine precursors of DNA and RNA required for ...

The “warm” data in the middle, such as your old photos, can take a few seconds to retrieve. Most data is cold, and a lot of ...

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

An international team led by UPV/EHU and Biobizkaia reveals the relationship between placental DNA methylation and certain ...

Scientists have captured the first detailed 'molecular movie' showing DNA being unzipped at the atomic level -- revealing how cells begin the crucial process of copying their genetic material.

Sturgeons are one of the oldest groups of fishes. Sporting an armor of five rows of bony, modified scales called dermal ...

In its case against Bryan Kohberger, the man accused of killing four University of Idaho students in November 2022, the prosecution’s most important piece of evidence may be a DNA sample taken ...

The Edmonton Police Service says DNA sequencing has been used to identify the remains of a man who was last seen in Edmonton in November 1990. Jose Valdez’s remains were found near the North ...

She ruled that new evidence, including DNA test results, would likely change the outcome of another trial against Gordon Cordeiro. The case involves the 1994 killing of Timothy Blaisdell during a ...

A study, which was published in the journal Occupational & Environmental Medicine, found that melatonin seems to help actually some people repair DNA damage while sleeping. As you may know ...