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DNA, RNA, Proteins (2 of 4) RNA

Image caption:
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.

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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 (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.

DNA, RNA, Proteins (4 of 4) DNA to Proteins
DNA instructions are transmitted via RNA to construct proteins.