DNA Structure and Replication What is the range of melting point temperatures (Tm) for most DNA molecules? 50 to 60°C 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 ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Single strand break Dehydration Depurination Formation of thymine dimers Single strand break Dehydration Depurination Formation of thymine dimers 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? Semi-conservative theory Conservative theory Evolutionary theory Dispersive theory Semi-conservative theory Conservative theory Evolutionary theory Dispersive theory ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Proteins which help to open the double helix for DNA synthesis are DNA topoisomerase ligase single stranded binding proteins DNA helicases DNA topoisomerase ligase single stranded binding proteins DNA helicases ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The chromosomal DNA complexes with two types of histone as H1 and H4 five types of histone as H1, H2A, H2B, H3 and H4 four types of histone as H1, H2A, H3 and H4 three types of histone as H1, H2A and H4 two types of histone as H1 and H4 five types of histone as H1, H2A, H2B, H3 and H4 four types of histone as H1, H2A, H3 and H4 three types of histone as H1, H2A and H4 ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication An important difference between eukaryotic and prokaryotic DNA replication is multiple origins of replication in eukaryotes more DNA polymerases are found in eukaryotes RNA primers are not required in eukaryotes eukaryotic DNA polymerases are faster multiple origins of replication in eukaryotes more DNA polymerases are found in eukaryotes RNA primers are not required in eukaryotes eukaryotic DNA polymerases are faster ANSWER DOWNLOAD EXAMIANS APP
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