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Get your supplies. . To make a DNA model out of clay, you will need to first purchase your clay of choice. A polymer...

Create your nitrogenous bases. . There are four nitrogenous bases that make up a strand of DNA: cytosine, guanine,...

Twist the double helix. . To give your DNA model the classic spiral shape, hold your double helix at both...

Answer:

DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.

Explanation:

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