DNA Structure and Replication What does ligase do during replication of DNA? Makes copies of mRNA from DNA Digests mRNA when it is no longer needed Synthesizes the lagging strand Joins nicks in DNA strands Makes copies of mRNA from DNA Digests mRNA when it is no longer needed Synthesizes the lagging strand Joins nicks in DNA strands ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What bands will be observed in a cesium chloride gradient after two rounds of replication? One light, one medium and one heavy band One medium and one heavy band One light and one medium band One medium band One light, one medium and one heavy band One medium and one heavy band One light and one medium band One medium band ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The RNA primers used to initiate replication in E. coli are joined together by DNA ligase are removed by Pol I result in Okazaki fragments on leading strand are removed by helicase + ATP are joined together by DNA ligase are removed by Pol I result in Okazaki fragments on leading strand are removed by helicase + ATP ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA helicase is used to None of these interact the double helix closely break a phosphodiester bond in DNA strand unwind the double helix None of these interact the double helix closely break a phosphodiester bond in DNA strand unwind the double helix ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by using enzyme called telomerase shortening of the double stranded replicated portion using RNA as a template None of these using enzyme called telomerase shortening of the double stranded replicated portion using RNA as a template None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA polymerases I also has 5'-3' exonuclease activity both (a) and (b) 5'-3' endonuclease activity 3'-5'exonuclease activity 5'-3' exonuclease activity both (a) and (b) 5'-3' endonuclease activity 3'-5'exonuclease activity ANSWER DOWNLOAD EXAMIANS APP
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