DNA Structure and Replication What is the only common methylation in the DNA of eukaryotes? Adenosine in GpA dinucleotides Cytosine in CpG dinucleotides Guanosine in ApGpA trinucleotides None of these Adenosine in GpA dinucleotides Cytosine in CpG dinucleotides Guanosine in ApGpA trinucleotides None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the main damaging effect of UV radiation on DNA? Formation of thymine dimers Depurination Single strand break Dehydration Formation of thymine dimers Depurination Single strand break Dehydration ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Without telomerase, what would happen to the ends of chromosomes after each round of replication? None of these Chromosomes would get longer Chromosomes would become progressively shorter Nothing would happen None of these Chromosomes would get longer Chromosomes would become progressively shorter Nothing would happen ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication The DNA is negatively super coiled, complexes to histone, HU H-NS All of these HSP-1 HU H-NS All of these HSP-1 ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA polymerases I also has both (a) and (b) 5'-3' endonuclease activity 5'-3' exonuclease activity 3'-5'exonuclease activity both (a) and (b) 5'-3' endonuclease activity 5'-3' exonuclease activity 3'-5'exonuclease activity 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? Dispersive theory Evolutionary theory Semi-conservative theory Conservative theory Dispersive theory Evolutionary theory Semi-conservative theory Conservative theory ANSWER DOWNLOAD EXAMIANS APP