DNA Sequencing, Mutation and Repair Genetic variations are temporary not heritable influenced by the environment stable temporary not heritable influenced by the environment stable 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? 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 New strands are lower in molecular size New strands are methylated while old strands are not ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation may result into modification of mRNA an abnormal elongation of a polypeptide a premature termination of the synthesis of a polypeptide a large deletion within the reading frame of a gene modification of mRNA an abnormal elongation of a polypeptide a premature termination of the synthesis of a polypeptide a large deletion within the reading frame of a gene ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of conversion of guanine to xanthine deamination of cytosine to uracil None of these formation of a thymine-dimer conversion of guanine to xanthine deamination of cytosine to uracil None of these formation of a thymine-dimer ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as an enzyme that repairs mutations a molecule which stabilizes DNA thus prevents mutations from occurring a chemical or physical agent that induces mutations an inhibitor of gene modification an enzyme that repairs mutations a molecule which stabilizes DNA thus prevents mutations from occurring a chemical or physical agent that induces mutations 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? Induced mutations None of these Analogous mutations Spontaneous mutations Induced mutations None of these Analogous mutations Spontaneous mutations ANSWER DOWNLOAD EXAMIANS APP