DNA Structure and Replication Which of the following species lack a 'classical' histone H1? Arabidopsis thaliana Strongylocentrotus purpuratus Saccharomyces cerevisiae Xenopus laevis Arabidopsis thaliana Strongylocentrotus purpuratus Saccharomyces cerevisiae Xenopus laevis ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Replication in E. coli is initiated by the generation of short RNA primers using reverse transcriptase both (a) and (b) RNA polymerase primase reverse transcriptase both (a) and (b) RNA polymerase primase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the only common methylation in the DNA of eukaryotes? Guanosine in ApGpA trinucleotides Adenosine in GpA dinucleotides Cytosine in CpG dinucleotides None of these Guanosine in ApGpA trinucleotides Adenosine in GpA dinucleotides Cytosine in CpG dinucleotides None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication How does ethidium bromide interact with DNA? It intercalates between bases It does not interact It binds to adenine It binds to phosphate It intercalates between bases It does not interact It binds to adenine It binds to phosphate ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the approximate percentage of repetitive DNA sequences in human DNA? 40 to 50% 10 to 20% 20 to 30% 30 to 40% 40 to 50% 10 to 20% 20 to 30% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Digests mRNA when it is no longer needed Joins nicks in DNA strands Makes copies of mRNA from DNA Synthesizes the lagging strand Digests mRNA when it is no longer needed Joins nicks in DNA strands Makes copies of mRNA from DNA Synthesizes the lagging strand ANSWER DOWNLOAD EXAMIANS APP
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