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.
1 Chromosome: a long, thread-like molecule made of the chemical called DNA (deoxyribonucleic acid) that is held together with special proteins and is visible (with strong microscopes) during cell division... 2  more. 3  Molecule: a chemical structure that has two or more atoms held together by a chemical bond.NA also includes sugars and phosphate groups that make the phosphate-deoxyribose backbone. If you think of the structure of DNA as a twisted ladder, the rungs of the ladder are made from the nitrogenous bases. These bases pair up to make each step of the ladder. They also only pair up in a specific way.