DNA Sequencing, Mutation and Repair A mutagen is defined as a chemical or physical agent that induces mutations an enzyme that repairs mutations a molecule which stabilizes DNA thus prevents mutations from occurring an inhibitor of gene modification a chemical or physical agent that induces mutations an enzyme that repairs mutations a molecule which stabilizes DNA thus prevents mutations from occurring an inhibitor of gene modification ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Spontaneous mutations Induced mutations Analogous mutations None of these Spontaneous mutations Induced mutations Analogous mutations None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair The DNA sequences of rRNA genes can be used to predict the pulsed field gel pattern of a microorganism predict whether a bacteria will be gram-positive or gram-negative assess relatedness of eukaryotes but not prokaryotes obtain a tentative identification of a new microorganism predict the pulsed field gel pattern of a microorganism predict whether a bacteria will be gram-positive or gram-negative assess relatedness of eukaryotes but not prokaryotes obtain a tentative identification of a new microorganism ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Genetic variations are influenced by the environment stable not heritable temporary influenced by the environment stable not heritable temporary ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation may result into a large deletion within the reading frame of a gene a premature termination of the synthesis of a polypeptide an abnormal elongation of a polypeptide modification of mRNA a large deletion within the reading frame of a gene a premature termination of the synthesis of a polypeptide an abnormal elongation of a polypeptide modification of mRNA ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one? New strands are methylated while old strands are not New strands do not contain cytosine bases New strands are lower in molecular size Old strands are methylated while new strands are not New strands are methylated while old strands are not New strands do not contain cytosine bases New strands are lower in molecular size Old strands are methylated while new strands are not ANSWER DOWNLOAD EXAMIANS APP
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