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Dna 4
Word count: 598 | Approximate pages: 3
The molecule responsible for the transformation of characteristics form one generation to the next is called DNA. The genetic material, located in the chromosomes is a combination of acid and histones. DNA is made up of units called nucleotides. Nucleotides are made up of 3 components, a five carbon sugar (deoxyribose), a phosphate group, and a nitrogenous base. This base can be either adenine, guanine, thymine or cytosine.
There are 2 strands of nucleotides in a double-helix - they are anti-parallel, meaning they go in opposite directions. D ....
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