DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? SOS repair Excision repair Photoreactivation Never leads to mutation SOS repair Excision repair Photoreactivation Never leads to mutation ANSWER DOWNLOAD EXAMIANS APP
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(s) is/are steps in excision repair mechanisms? Excision Incision Ligation All of these Excision Incision Ligation All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? None of these Induced mutations Analogous mutations Spontaneous mutations None of these Induced mutations Analogous mutations Spontaneous mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair What was the first eukaryotic chromosome to be sequenced? Arabidopsis chromosome IV None of these Yeast chromosome XI Yeast chromosome III Arabidopsis chromosome IV None of these Yeast chromosome XI Yeast chromosome III 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 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 Old strands are methylated while new strands are not ANSWER DOWNLOAD EXAMIANS APP
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