Plural of analogue; things that are similar or comparable to other things, or that perform similar functions despite being structurally different.
From Greek 'analogon' via French 'analogue'. The plural 'analogues' entered English scientific vocabulary in the 18th century, especially in medicine and biology.
DNA bases have chemical analogues used in medicine and research—scientists create modified versions of A, T, G, and C that act similarly but can be tracked or controlled differently.
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