... physicalaspects of the aging process. Other subcate-gories of flavonoids are flavones, flavonols,flavanols, aurones, chalcones, etc. One exam-ple of a not-very-beneficial flavonoid is quer-cetin, a ... HERBICIDE-TOLER-ANT CROP, GENE, GENETIC ENGINEERING,GENOME, DEOXYRIBONUCLEIC ACID (DNA).Acute Transfection Short-term infection of cells with DNA.Acyl-CoA Acyl derivatives of coenzyme A(acyl-S-CoA). ... Cell-mediated, energy-requiring translocation of a molecule acrossa membrane in the direction of increasingconcentration (i.e., opposite of natural ten-dency). See also OSMOTIC PRESSURE.␣-Helix...