DNA Structure and Replication What does ligase do during replication of DNA? Joins nicks in DNA strands Digests mRNA when it is no longer needed Synthesizes the lagging strand Makes copies of mRNA from DNA Joins nicks in DNA strands Digests mRNA when it is no longer needed Synthesizes the lagging strand Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication A cesium chloride will separate DNA molecules by absorption density resorption adhesion absorption density resorption adhesion ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The melting of 40-45 bp at the oriC site of E. coli requires DNA + ATP + HU + DNAb DNA + ATP + HU DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme DNA+ ATP + HU + DNAb + DNAa DNA + ATP + HU + DNAb DNA + ATP + HU DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme DNA+ ATP + HU + DNAb + DNAa 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' polymerase 5' → 3' exonuclease 3' → 5' exonuclease All of these 5' → 3' polymerase 5' → 3' exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication E.coli DNA polymerases II and III lack partially 5' → 3' endonuclease activity 5' → 3' exonuclease activity partially 5' → 3' exonuclease activity 5' → 3' endonuclease activity partially 5' → 3' endonuclease activity 5' → 3' exonuclease activity partially 5' → 3' exonuclease activity 5' → 3' endonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called pyrimidines All of these protamines purines pyrimidines All of these protamines purines ANSWER DOWNLOAD EXAMIANS APP