DNA is a molecule that stores genetic information in the form of a code made up of four nucleotide bases: adenine (A), cytosine (C), guanine (G), and thymine (T). These bases are paired together in a specific way to form a double-stranded helix structure, with adenine pairing with thymine and cytosine pairing with guanine.

The specific sequence of these nucleotide bases in a DNA molecule encodes information about an organism's characteristics, such as its physical traits, behavior, and susceptibility to certain diseases. This information is used by the cell's machinery to synthesize proteins, which perform a variety of functions in the cell and play a key role in the structure and function of the organism.

So, in a sense, DNA encodes information about the three-dimensional structure of an organism by specifying the sequence of amino acids in proteins, which are the building blocks of many of the body's tissues and organs. The specific sequence of amino acids in a protein determines its three-dimensional structure, which in turn determines its function.

It is worth noting that DNA itself does not have a three-dimensional structure; rather, it is the arrangement of its nucleotide bases in a specific sequence that encodes information about the three-dimensional structures.

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