单词 | spacer deoxyribonucleic acid |
释义 | spacer deoxyribonucleic acid [¦spās·ǝr dē¦äk·sē´rī·bō·nü´klē·ik `as·ǝd] MOLECULAR BIOLOGY Untranscribed deoxyribonucleic acid (DNA) segments, usually containing repetitious DNA, of eukaryotic and some viral genomes flanking functional genetic regions (cistrons). |
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