dna is a long polymer made from repeating units called nucleotides the structure of dna is dynamic along its length being capable of coiling into tight loops and other shapes in all species it is composed of two helical chains bound to each other by hydrogen bondsboth chains are coiled round the same axis and have the same pitch of 34 229ngstr246ms 34 nanometres.
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Periodic table of elements periodic table of elements ph scale.
In this educational animated movie about science learn more about velocity and the rules that govern the process of speeding up and slowing down.
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Andrew ellington is the fraser professor of biochemistry at the university of texas at austin he is perhaps best known for the invention of the word aptamer but is now most involved in the development and evolution of artificial life including nucleic acid operating.
Dear twitpic community thank you for all the wonderful photos you have taken over the years we have now placed twitpic in an archived state.
5 consultant means an expert who provides advice or services in a particular field whether a fee is charged or not a consultant who is in receipt of or has the right to receive a percentage of the gross or net profit from the licensed business during any full or partial calendar or fiscal year is a true party of interest and subject to the requirements of wac 31455035.
Play a game of kahoot here kahoot is a free gamebased learning platform that makes it fun to learn any subject in any language on any device for all ages.