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Best Answer: DNA or known as Deoxyribonucleic Acid consists of two chains, strands composed of a large number of chemical compounds, called nucleotides, linked together to form a chain.These chains are arranged like a ladder that has been twisted into the shape of a winding staircase, called a double helix.est Answer: DNA or known as Deoxyribonucleic Acid consists of two chains, strands composed of a large number of chemical compounds, called nucleotides, linked together to form a chain.
DNA is made of repeating units called nucleotides. Each nucleotide consists of 3 parts: phosphate, sugar (deoxyribose) and nitrogen bases. The sugar in DNA is deoxyribose, and DNA's full name is Deoxyribonucleic Acid. There are 4 different types of nitrogen bases: adenine, thymine, cytosine, and guanine.