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 Nothing would happen Chromosomes would become progressively shorter None of these Chromosomes would get longer Nothing would happen Chromosomes would become progressively shorter ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Nucleosome is an octamer of four histones without H1 protein an octamer of four histones with H1 protein an hexamer of three histones with H1 protein an hexamer of three histones without H1 protein an octamer of four histones without H1 protein an octamer of four histones with H1 protein an hexamer of three histones with H1 protein an hexamer of three histones without H1 protein ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What does ligase do during replication of DNA? Digests mRNA when it is no longer needed Synthesizes the lagging strand Joins nicks in DNA strands Makes copies of mRNA from DNA Digests mRNA when it is no longer needed Synthesizes the lagging strand Joins nicks in DNA strands Makes copies of mRNA from DNA ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of high temperature and Mg++ low temperature and Mg++ high temperature and Ca++ low temperature and Ca++ high temperature and Mg++ low temperature and Mg++ high temperature and Ca++ low temperature and Ca++ ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the only common methylation in the DNA of eukaryotes? Guanosine in ApGpA trinucleotides None of these Adenosine in GpA dinucleotides Cytosine in CpG dinucleotides Guanosine in ApGpA trinucleotides None of these Adenosine in GpA dinucleotides Cytosine in CpG dinucleotides ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Which of the following species lack a 'classical' histone H1? Arabidopsis thaliana Xenopus laevis Strongylocentrotus purpuratus Saccharomyces cerevisiae Arabidopsis thaliana Xenopus laevis Strongylocentrotus purpuratus Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP