Build and draw a DNA double helix using the following parental strand and include the following: 5' â A T G C C A T G G C â 3': ⢠Two strands (antiparallel: 5â â 3â and 3â â 5â) ⢠Sugar-phosphate backbone ⢠Nitrogenous bases ⢠Base pairing (AâT, GâC) ⢠Hydrogen bonds Make sure to label accordingly Voir plus