What molecules make up the rungs quizlet. It is made up of phosphate and deoxyribose sugar which make. Pin On High School Science With Mrs Lau Deoxyribose is the name of the sugar found in the backbone of DNA In between the two. . Deoxyribose is the name of the sugar found in the. Which is the basic structural unit of DNA. The structure is DNA as it is double stranded. The rungs or steps of DNA are made from a. Ad Select from the popular Thermo Scientific GeneRuler DNA Ladders. Easy tracking of DNA migration with TriTrack Loading Buffer with three dyes. It consists of just a few kinds of atoms. What molecules make up the sides of the DNA ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. It has an alternating chemical phosphate and sugar backbone making the sides of the ladder. Phosphate Base Deoxiribose sugar. The phosphate and deoxyribose molecules for...