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Guanine: Media

chemical compound

Images

butterfly fish
The silvery appearance of the butterfly fish (Chaetodon) is due to a deposit...
Bruce Barnetson—NHPA/Encyclopædia Britannica, Inc.
The arrangement of nucleotide bases within DNA
DNA structure, showing the nucleotide bases cytosine (C), thymine (T), adenine (A),...
Encyclopædia Britannica, Inc.