Watch this biology revision collection to find out about genes, DNA and genetic inheritance. Let's learn about the structure of DNA, what meiosis is, and more! Improve your GCSE biology knowledge ...

Revise GCSE Biology by listening to these podcasts ... It has to be this way because that gives DNA its structure, which you might have seen without realising, those tight twisted ladder shapes ...

Beyond the ladder-like structure described above, another key characteristic of double-stranded DNA is its unique three-dimensional shape. The first photographic evidence of this shape was ...

DNA, or deoxyribonucleic ... form a double helix structure. Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases (Image: Wikimedia Commons, CC SA 3.0) The ...