DNA Structure and Replication What is the approximate size (in kb) of the E. coli genome? 3000 kilobase 4500 kilobase 6500 kilobase 5500 kilobase 3000 kilobase 4500 kilobase 6500 kilobase 5500 kilobase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA replication takes place in which direction? Randomly 3' to 5' Vary from organism to organism 5 'to 3' Randomly 3' to 5' Vary from organism to organism 5 'to 3' ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication E.coli DNA polymerases II and III lack 5' → 3' exonuclease activity 5' → 3' endonuclease activity partially 5' → 3' endonuclease activity partially 5' → 3' exonuclease activity 5' → 3' exonuclease activity 5' → 3' endonuclease activity partially 5' → 3' endonuclease activity partially 5' → 3' exonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of 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 Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Klenow fragment without free nucleotides exhibits endonuclease activity nickase activity exonuclease activity no activity endonuclease activity nickase activity exonuclease activity no activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band above DNA containing 14N with 14N-containing DNA all of these below DNA containing 14N above DNA containing 14N with 14N-containing DNA all of these below DNA containing 14N ANSWER DOWNLOAD EXAMIANS APP
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