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Franklin created famed 'Photo 51' after calculating key features of DNA's helix from an earlier image, study reveals
المصدر: Phys.org - latest science and technology news stories · نُشر
"Photo 51" was a cleaner version of an earlier X-ray image, "Photo 49," that Rosalind Franklin had already used to calculate key features of DNA, challenging long-held assumptions about her role in the discovery of the double helix.
"Photo 51" was a cleaner version of an earlier X-ray image, "Photo 49," that Rosalind Franklin had already used to calculate key features of DNA, challenging long-held assumptions about her role in the discovery of the double helix.
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'Molecular sunscreen' may explain why DNA uses thymine despite its vulnerability to UV damage
Scientists have long sought to understand the complex origins of intelligent life. It remains unclear how biological systems not only formed but survived and persisted under the extreme conditions of primordial Earth's hostile climate. Now, researchers at Texas A&M University are
Phys.org - latest science and technology news stories ·
DNA reveals genetic divide in Australian brolgas, with southern birds facing greater diversity risks
New research on the brolga, an iconic Australian crane species, has shown important genetic differences between northern and southeastern populations, with evidence that those in western Victoria are at increased risk, likely heightened by the loss of wetlands.
Phys.org - latest science and technology news stories ·
Scientists accidentally discover a genetic code that breaks the rules of life
Scientists accidentally discovered a microscopic organism with a genetic code that breaks a rule researchers thought was nearly universal. While testing a new DNA sequencing technique, they examined a previously unknown protist collected from a freshwater pond at Oxford Universit
All Top News -- ScienceDaily ·
Scientists discover a human brain gene that can jump through DNA
Scientists have discovered a human gene with a remarkable double life: it appears to play an important role in brain cells while still retaining the ability to jump around the genome. Called BC200, the gene evolved millions of years ago from a mobile piece of DNA known as a trans
All Top News -- ScienceDaily ·
Father was asked for DNA test to get a passport for his daughter
New post-Brexit rules mean that dual nationals cannot enter the UK unless they have a British passport My teenage daughter is unable to see her grandparents because of the UK’s new requirement for dual nationals to hold a UK passport. I’m a UK citizen, married to a French nationa
Business | The Guardian ·