DNA Structure and Replication DNA gyrase in E. coli performs the same function as helicase in eukaryotes adds positive supercoils to chromosomal DNA can be inhibited with antibiotics is required only at the oriC site performs the same function as helicase in eukaryotes adds positive supercoils to chromosomal DNA can be inhibited with antibiotics is required only at the oriC site ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis? Evolutionary theory Semi-conservative theory Dispersive theory Conservative theory Evolutionary theory Semi-conservative theory Dispersive theory Conservative theory ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication After one replication in 15N, how many bands should be observed in a cesium chloride gradient? Two One A smear Three Two One A smear Three ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Klenow fragment without free nucleotides exhibits endonuclease activity nickase activity no activity exonuclease activity endonuclease activity nickase activity no activity exonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA helicase is used to None of these break a phosphodiester bond in DNA strand interact the double helix closely unwind the double helix None of these break a phosphodiester bond in DNA strand interact the double helix closely unwind the double helix ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication If one cell has AT contents 40%, what will be the percentage of Guanine residue? 30% 60% 15% Guanine residue can not be calculated 30% 60% 15% Guanine residue can not be calculated ANSWER DOWNLOAD EXAMIANS APP