DNA Structure and Replication What is the range of melting point temperatures (Tm) for most DNA molecules? 70 to 90°C 80 to l00°C 60 to 80°C 50 to 60°C 70 to 90°C 80 to l00°C 60 to 80°C 50 to 60°C 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 light, one medium and one heavy band One medium band One light and one medium band One medium and one heavy band One light, one medium and one heavy band One medium band One light and one medium band ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Dehydration Depurination Formation of thymine dimers Single strand break Dehydration Depurination Formation of thymine dimers Single strand break ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The accepted hypothesis for DNA replication is dispersive theory semi-conservative theory evolutionary theory conservative theory dispersive theory semi-conservative theory evolutionary theory conservative theory ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Synthesizes the lagging strand Joins nicks in DNA strands Digests mRNA when it is no longer needed Makes copies of mRNA from DNA Synthesizes the lagging strand Joins nicks in DNA strands Digests mRNA when it is no longer needed Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA polymerases I also has 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 5'-3' exonuclease activity ANSWER DOWNLOAD EXAMIANS APP
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