This is a free preview. For full access
How DNA Stores Genetic Information
Description
DNA stores genetic information that is passed from one generation to the next in organisms and most viruses. It is built from two strands of nucleotides that twist together into a double helix. The story of how scientists uncovered this structure developed step by step over nearly a century.
Each...
Show More
Transcript
- L'acide désoxyribonucléique, ou ADN,consiste en deux chaînes de polynucléotides. Chacune est faite sous-unités de nucléotides,jusqu'à 4 types différents,qui consistent en un groupe phosphate et une base azotée,adénine, A, cytosine, C, guanine, G, thymine, T,attachées à un sucre désoxyribose. Cet arrangement crée l'ossature de phosphate de su...
Show More
Tags
More videos by Standards
Show More