DNA Structure and Replication Which of the following is an active site on its single polypeptide chain for DNA Polymerase I? All of these 5' → 3' exonuclease 3' → 5' exonuclease 5' → 3' polymerase All of these 5' → 3' exonuclease 3' → 5' exonuclease 5' → 3' polymerase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In DNA, nucleotides are covalently joined together by 2', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain 3', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain 2', 3' phosphodiester bonds to form a repetitive sugar-phosphate chain 3', 4' phosphodiester bonds to form a repetitive sugar-phosphate chain 2', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain 3', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain 2', 3' phosphodiester bonds to form a repetitive sugar-phosphate chain 3', 4' phosphodiester bonds to form a repetitive sugar-phosphate chain ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase? It has low affinity for the correct dNTP's It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses It has low affinity for the correct dNTP's It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The 5' and 3' numbers are related to the the number of phosphates length of the DNA strand the base pair rule carbon number in sugar the number of phosphates length of the DNA strand the base pair rule carbon number in sugar ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of high temperature and Mg++ low temperature and Mg++ high temperature and Ca++ low temperature and Ca++ high temperature and Mg++ low temperature and Mg++ high temperature and Ca++ low temperature and Ca++ ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA with a G-C content of 50% will melt at approximately 60°C 100 °C 70 °C 90 °C 60°C 100 °C 70 °C 90 °C ANSWER DOWNLOAD EXAMIANS APP