DNADouble-strandedDeoxyribose sugar Thymine (T) baseStay mostly in the nucleus Very stableBOTHMade of nucleotides Have A, C, G baseInvolved in genetic information Have phosphate group Essential for lifeRNASingle-strandedRibose sugarUracil (U) instead of TCan leave the nucleus Many types: mRNA, tRNA, rRNAShorter lifespan [tex][/tex]