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 What was the first eukaryotic chromosome to be sequenced? Arabidopsis chromosome IV Yeast chromosome III Yeast chromosome XI None of these Arabidopsis chromosome IV Yeast chromosome III Yeast chromosome XI None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of formation of a thymine-dimer 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 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 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 Old strands are methylated while new strands are not New strands are methylated while old strands are not ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair When mutations involve vital functions so that the mutants are nonviable, it is a lethal mutation nonsense mutation transversion none of these lethal mutation nonsense mutation transversion none of these 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 Spontaneous mutations Analogous mutations Induced mutations None of these Spontaneous mutations Analogous mutations ANSWER DOWNLOAD EXAMIANS APP
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