DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Analogous mutations None of these Spontaneous mutations Induced mutations Analogous mutations None of these Spontaneous mutations Induced mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Photoreactivation Never leads to mutation SOS repair Excision repair Photoreactivation Never leads to mutation SOS repair Excision repair ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as an enzyme that repairs mutations an inhibitor of gene modification a molecule which stabilizes DNA thus prevents mutations from occurring a chemical or physical agent that induces mutations an enzyme that repairs mutations an inhibitor of gene modification a molecule which stabilizes DNA thus prevents mutations from occurring a chemical or physical agent that induces mutations 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 modification of mRNA an abnormal elongation of a polypeptide a large deletion within the reading frame of a gene a premature termination of the synthesis of a polypeptide modification of mRNA an abnormal elongation of a polypeptide 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 lower in molecular size New strands are methylated while old strands are not Old strands are methylated while new strands are not New strands do not contain cytosine bases New strands are lower in molecular size New strands are methylated while old strands are not Old strands are methylated while new strands are not New strands do not contain cytosine bases ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Genetic variations are stable temporary not heritable influenced by the environment stable temporary not heritable influenced by the environment ANSWER DOWNLOAD EXAMIANS APP
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