33
/fr/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
3731076
341573
2
Public Timelines
FAQ Obtenir le Premium

1 janv. 1943 - 1943: William Astbury, a British scientist, obtains the first X-ray diffraction pattern of DNA, which reveals that DNA must have a regular periodic structure. He suggests that nucleotide bases are stacked on top of each other.

Ajouté au bande de temps:

Date:

1 janv. 1943
Maintenaint
~ Il y a 82 ans