DNA Structure and Replication After one replication in 15N, how many bands should be observed in a cesium chloride gradient? Three One Two A smear Three One Two A smear ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The nucleosome consists of histone hexamer and 146 bp of DNA None of these octamer and 146 bp of DNA tetramer and 146 bp of DNA hexamer and 146 bp of DNA None of these octamer and 146 bp of DNA tetramer and 146 bp of DNA 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? AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis It has low affinity for the correct dNTP's AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease The RNase H domain of p66 causes error prone synthesis It has low affinity for the correct dNTP's ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA polymerases I also has 3'-5'exonuclease activity 5'-3' exonuclease activity 5'-3' endonuclease activity both (a) and (b) 3'-5'exonuclease activity 5'-3' exonuclease activity 5'-3' endonuclease activity both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The RNA primers used to initiate replication in E. coli result in Okazaki fragments on leading strand are joined together by DNA ligase are removed by Pol I are removed by helicase + ATP result in Okazaki fragments on leading strand are joined together by DNA ligase are removed by Pol I are removed by helicase + ATP ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The B-DNA structure found in solution is a left-handed double helix of antiparallel chains (10 bp/turn) right-handed double helix of parallel chains (∼10 bp/turn) right-handed double helix of antiparallel chains (∼10 bp/turn) left-handed zig-zag helix of antiparallel chains (10 bp/turn) left-handed double helix of antiparallel chains (10 bp/turn) right-handed double helix of parallel chains (∼10 bp/turn) right-handed double helix of antiparallel chains (∼10 bp/turn) left-handed zig-zag helix of antiparallel chains (10 bp/turn) ANSWER DOWNLOAD EXAMIANS APP
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