DNA Structure and Replication What is the approximate percentage of repetitive DNA sequences in human DNA? 30 to 40% 10 to 20% 20 to 30% 40 to 50% 30 to 40% 10 to 20% 20 to 30% 40 to 50% 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? About 100 none of these One Thousands and tens of thousands About 100 none of these One Thousands and tens of thousands ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What bands will be observed in a cesium chloride gradient after two rounds of replication? One medium and one heavy band One medium band One light and one medium band One light, one medium and one heavy band One medium and one heavy band One medium band One light and one medium band One light, one medium and one heavy band ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the exact name of the classical Watson-Crick double helix DNA? Z-DNA A-DNA B-DNA X-DNA Z-DNA A-DNA B-DNA X-DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Taylor, Woods and Hughes labeled Vicia DNA by allowing new DNA synthesis in the presence of radioactive thymine. After DNA replication (S phase of the cell cycle), it was observed that only one chromatid of a chromosome was labeled both chromatids of a chromosome were labeled both (a) and (b) neither chromatid was labeled only one chromatid of a chromosome was labeled both chromatids of a chromosome were labeled both (a) and (b) neither chromatid was labeled ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the range of melting point temperatures (Tm) for most DNA molecules? 70 to 90°C 60 to 80°C 80 to l00°C 50 to 60°C 70 to 90°C 60 to 80°C 80 to l00°C 50 to 60°C ANSWER DOWNLOAD EXAMIANS APP