DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of 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 conversion of guanine to xanthine deamination of cytosine to uracil ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Photoreactivation SOS repair Never leads to mutation Excision repair Photoreactivation SOS repair Never leads to mutation Excision repair ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Spontaneous mutations None of these Analogous mutations Induced mutations Spontaneous mutations None of these Analogous mutations Induced mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair What was the first eukaryotic chromosome to be sequenced? None of these Arabidopsis chromosome IV Yeast chromosome III Yeast chromosome XI None of these Arabidopsis chromosome IV Yeast chromosome III Yeast chromosome XI 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 Differentiation of four different bases in automated sequencing systems is that each base has distinctive fluorescent tag unique antibody bound to it different radioactive tag cytosine at start distinctive fluorescent tag unique antibody bound to it different radioactive tag cytosine at start ANSWER DOWNLOAD EXAMIANS APP