DNA Structure and Replication What does ligase do during replication of DNA? Digests mRNA when it is no longer needed Makes copies of mRNA from DNA Joins nicks in DNA strands Synthesizes the lagging strand Digests mRNA when it is no longer needed Makes copies of mRNA from DNA Joins nicks in DNA strands Synthesizes the lagging strand 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 comparison with a molecular weight standard such as Hind III digested phage lambda the time it takes the gel to run fluorescence in UV light the sedimentation coefficient comparison with a molecular weight standard such as Hind III digested phage lambda the time it takes the gel to run fluorescence in UV light ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the name given to the points at which a DNA helix is unwound and new strands develop? Okazaki fragments Leading strands Replication origins Replication forks Okazaki fragments Leading strands Replication origins Replication forks ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication After one replication in 15N, how many bands should be observed in a cesium chloride gradient? One Three Two A smear One Three Two A smear ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band with 14N-containing DNA all of these above DNA containing 14N below DNA containing 14N with 14N-containing DNA all of these above DNA containing 14N below DNA containing 14N ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What bands will be observed in a cesium chloride gradient after two rounds of replication? One medium and one heavy band One medium band One light, one medium and one heavy band One light and one medium band One medium and one heavy band One medium band One light, one medium and one heavy band One light and one medium band ANSWER DOWNLOAD EXAMIANS APP
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