DNA Structure and Replication Replication in E. coli is initiated by the generation of short RNA primers using RNA polymerase primase reverse transcriptase both (a) and (b) RNA polymerase primase reverse transcriptase both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication E.coli DNA polymerases II and III lack 5' → 3' endonuclease activity partially 5' → 3' exonuclease activity 5' → 3' exonuclease activity partially 5' → 3' endonuclease activity 5' → 3' endonuclease activity partially 5' → 3' exonuclease activity 5' → 3' exonuclease activity partially 5' → 3' endonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the range of melting point temperatures (Tm) for most DNA molecules? 50 to 60°C 80 to l00°C 60 to 80°C 70 to 90°C 50 to 60°C 80 to l00°C 60 to 80°C 70 to 90°C ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication How does ethidium bromide interact with DNA? It binds to adenine It binds to phosphate It does not interact It intercalates between bases It binds to adenine It binds to phosphate It does not interact It intercalates between bases ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA gyrase in E. coli adds positive supercoils to chromosomal DNA is required only at the oriC site can be inhibited with antibiotics performs the same function as helicase in eukaryotes adds positive supercoils to chromosomal DNA is required only at the oriC site can be inhibited with antibiotics performs the same function as helicase in eukaryotes ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The size of a linear DNA fragment in a gel can be estimated by the sedimentation coefficient fluorescence in UV light comparison with a molecular weight standard such as Hind III digested phage lambda the time it takes the gel to run the sedimentation coefficient fluorescence in UV light comparison with a molecular weight standard such as Hind III digested phage lambda the time it takes the gel to run ANSWER DOWNLOAD EXAMIANS APP
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