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DNA, RNA, Proteins (4 of 4) DNA to Proteins Image caption: DNA instructions are transmitted via RNA to construct proteins. << Back to search results

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DNA, RNA, Proteins (1 of 4) DNA DNA is a long, double-stranded molecule twisted into a helix. It is composed of a chemical code (represented by the letters A, T, G, and C) that describes how to make proteins.

DNA, RNA, Proteins (2 of 4) RNA RNA is similar to DNA, but it is shorter and single-stranded. RNA can carry an "imprint" of DNA information and take it to the place in the cell where proteins are built.

DNA, RNA, Proteins (3 of 4) Proteins Proteins are long chain-like molecules that fold into complicated shapes and perform all sorts of jobs in the cell — from providing raw building materials to running chemical reactions. They are the workhorses of the cell — and, hence, of the organism.