11. Both AZT and 3TC are older AIDS drugs known as nucleoside analogs. 12. The substructure consisting of a nucleobase plus sugar is termed a nucleoside . 13. Without the phosphate group, the nucleobase and sugar compose a nucleoside . 14. The nucleosides , in turn, are subsequently broken down: 15. Nucleoside phosphoramidites are purified by column chromatography on silica gel.16. The nucleoside base was incorporated uniformly into the bacterial chromosome. 17. Prepared Nucleoside and non-nucleoside molecules with applications by using Vince Lactam 18. Prepared Nucleoside and non-nucleoside molecules with applications by using Vince Lactam 19. It is a non-nucleoside hepatitis C virus NS5B polymerase inhibitor. 20. One mutated enzyme produced a 9, 500x increase in nucleoside production.