DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Never leads to mutation Excision repair Photoreactivation SOS repair Never leads to mutation Excision repair Photoreactivation SOS repair 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 are methylated while old strands are not New strands are lower in molecular size New strands do not contain cytosine bases Old strands are methylated while new strands are not New strands are methylated while old strands are not New strands are lower in molecular size New strands do not contain cytosine bases ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Thymine dimers are directly repaired with the help of visible light by process known as excision repair photosynthesis phosphorylation photoreactivation excision repair photosynthesis phosphorylation photoreactivation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Analogous mutations Induced mutations Spontaneous mutations None of these Analogous mutations Induced mutations Spontaneous mutations None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair The mutation which will not affect the length of a protein is, frameshift mutation nonsense mutation all of these missense mutation frameshift mutation nonsense mutation all of these missense mutation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as an enzyme that repairs mutations a chemical or physical agent that induces mutations a molecule which stabilizes DNA thus prevents mutations from occurring an inhibitor of gene modification an enzyme that repairs mutations a chemical or physical agent that induces mutations a molecule which stabilizes DNA thus prevents mutations from occurring an inhibitor of gene modification ANSWER DOWNLOAD EXAMIANS APP
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