DNA Structure and Replication The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is none of these helicase strandase DNA polymerase none of these helicase strandase DNA polymerase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals? Thousands and tens of thousands One none of these About 100 Thousands and tens of thousands One none of these About 100 ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Synthesizes the lagging strand Makes copies of mRNA from DNA Digests mRNA when it is no longer needed Joins nicks in DNA strands Synthesizes the lagging strand Makes copies of mRNA from DNA Digests mRNA when it is no longer needed Joins nicks in DNA strands ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA gyrase in E. coli can be inhibited with antibiotics performs the same function as helicase in eukaryotes is required only at the oriC site adds positive supercoils to chromosomal DNA can be inhibited with antibiotics performs the same function as helicase in eukaryotes is required only at the oriC site adds positive supercoils to chromosomal DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following is an active site on its single polypeptide chain for DNA Polymerase I? 3' → 5' exonuclease All of these 5' → 3' exonuclease 5' → 3' polymerase 3' → 5' exonuclease All of these 5' → 3' exonuclease 5' → 3' polymerase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The most common liquid volumes in molecular biology are measured in ml nl 1 μl ml nl 1 μl ANSWER DOWNLOAD EXAMIANS APP
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