Topps may have lost its NFL contract in â64, but getting Namath kept those old AFL sets relevantâand fairly valuable. Joe Willieâs rookie card is hard to find centered and because of the myriad of condition sensibilities, itâs one of the most expensive football cards ever to come out of the Topps roster.
Report Abuse. Chromosomes are made up of DNA packaged with histones and other proteins. DNA is deoxyribonucleic acid, an extremely long polymer whose repeating units are each made up of a phosphate plus a deoxyribose sugar plus a nitrogenous base.
Structure of DNA and chemical bond connects the neucleotides of each strands and what type of bond holds the strands together. DNA is made up of a sugar phosphate backbone and rungs are made up of nitrogen bases and the two strands of DNA are anti parallel.Hydrogen bond holds the two strands together and an phosphodiester bond holds nucleotides together.tructure of DNA and chemical bond connects the neucleotides of each strands and what type of bond holds the strands together. DNA is made up of a sugar phosphate backbone and rungs are made up of nitrogen bases and the two strands of DNA are anti parallel.