Bio 181 - Ch. 5,6,7 Study Guide Questions And Correct Answers

Nitrogenous Bases {Ans: Purine and Pyrimidines}Nucleotide {Ans: 1. Phosphate group 2. 5 Carbon Sugar (DNA & RNA) 3. Nitrogenous Base}Pyrimidines {Ans: Cytosine (C), Uracil (U) - RNA, Thymine (T) - DNA (1 ring)}Telomerase {Ans: active in cells that produce eggs and sperm; has ability to repair unreplicated telomeres}Structure of Polypeptides - Quarternary {Ans: Interaction b/w R-groups of 2 or more polypeptide chains -stabilized by same interaction as tertiary}RNA Types of Functions {Ans: Ribosomal - rRNA Transfer - tRNA Messenger - mRNA Ribozymes}