Free interactive and download to print GCSE Biology flashcards to help prepare for your GCSE exams. Revise topics such as cell structure, cell division,, Mitosis and transport in cells.

BBC's Bitesize Biology GCSE revision videos will help you revise for your single or combined science exams. ... Let's learn about the structure of DNA, what meiosis is, and more!

Scientists have a new theory about the structure of DNA. Two strands of alternating sugar (deoxyribose) and phosphate groups make up the DNA double helix, and the strands were thought to be linked by ...

Biology textbooks may be due for a rewrite. For the first time, scientists have detected a DNA structure inside living human cells that looks more like a four-stranded knot than the elegant double ...

The discovery of the helical structure of double-stranded DNA settled the matter — and changed biology forever. The discovery of the DNA duplex. In the early 1950s, the identity of genetic ...

The structure of DNA made visible Date: August 31, 2015 Source: ResearchSEA Summary: From 1952, DNA was sequenced, modified and extensively studied, but no technique was able to produce clear ...

With mRNA vaccines working to save the world from covid-19, it is easy to forget that these wondrous elixirs all began with the discovery of DNA’s double helical structure. The history behind ...

The double helix, though, is not the only form in which DNA exists. For the first time ever, scientists have identified the existence of a new DNA structure that looks more like a twisted, four ...

Overall structure. The prim-pol domain has a mixed α/β fold that does not resemble any known DNA polymerase structure, thus defining a new DNA polymerase family ().The most prominent features of ...

The discovery of DNA structure by James Watson and Francis Crick in the year 1953 is one of the most revolutionary scientific discoveries to date. However, the research leading to the discovery of ...