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Explains the structure and function of DNA and discusses current relevant scientific research.1 1 M Jl \K? You might expect that genes are lined up along the DNA chain like the beads of a necklace. ... Only a small portion of each DNA molecule consists of genes; there are long stretches of base pairs that apparently dona#39;t do anything other than take up space. ... called nucleotides, each of which consists of three parts: a phosphate, a sugar (deoxyribose), and a substance called a nitrogen base.

Author:Alvin Silverstein, Virginia B. Silverstein, Laura Silverstein Nunn
Publisher:Twenty-First Century Books - 2002


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