DNA Structure and Replication After one replication in 15N, how many bands should be observed in a cesium chloride gradient? A smear Three One Two A smear Three One Two ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The B-DNA structure found in solution is a left-handed zig-zag 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 double helix of antiparallel chains (10 bp/turn) left-handed zig-zag 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 double helix of antiparallel chains (10 bp/turn) ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Klenow fragment without free nucleotides exhibits nickase activity no activity exonuclease activity endonuclease activity nickase activity no activity exonuclease activity endonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following species lack a 'classical' histone H1? Xenopus laevis Saccharomyces cerevisiae Arabidopsis thaliana Strongylocentrotus purpuratus Xenopus laevis Saccharomyces cerevisiae Arabidopsis thaliana Strongylocentrotus purpuratus ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Makes copies of mRNA from DNA Synthesizes the lagging strand Digests mRNA when it is no longer needed Joins nicks in DNA strands Makes copies of mRNA from DNA Synthesizes the lagging strand Digests mRNA when it is no longer needed Joins nicks in DNA strands ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA with a G-C content of 50% will melt at approximately 60°C 70 °C 100 °C 90 °C 60°C 70 °C 100 °C 90 °C ANSWER DOWNLOAD EXAMIANS APP
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