Illustration of three representations of the structure of an RNA (ribonucleic acid) molecule. RNA is composed of a single sugar-phosphate backbone attached to nucleotide bases. There are four bases: adenine (A), cytosine (C), guanine (G), and uracil (U). RNA is vital for the coding, decoding, regulation, and expression of genes.

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TOP29066787

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達志影像

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