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? none of these One Thousands and tens of thousands About 100 none of these One Thousands and tens of thousands About 100 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 Enzymes, responsible for unraveling short segments of DNA is primase DNA ligase helicase DNA polymerase primase DNA ligase helicase DNA polymerase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase? It has low affinity for the correct dNTP's The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease It has low affinity for the correct dNTP's The RNase H domain of p66 causes error prone synthesis AZT (zidovudine) is too expensive to be taken in effective doses It lacks a proofreading exonuclease ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Single strand break Dehydration Formation of thymine dimers Depurination Single strand break Dehydration Formation of thymine dimers Depurination ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Klenow fragment without free nucleotides exhibits endonuclease activity exonuclease activity nickase activity no activity endonuclease activity exonuclease activity nickase activity no activity ANSWER DOWNLOAD EXAMIANS APP