main-band deoxyribonucleic acid

main-band deoxyribonucleic acid

[¦mān ¦band ‚dē‚äk·sē‚rī·bō·nü′klē·ik ′as·əd]
(cell and molecular biology)
A peak band of deoxyribonucleic acid obtained by density gradient centrifugation.