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 XI Yeast chromosome III None of these Arabidopsis chromosome IV Yeast chromosome XI Yeast chromosome III 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 formation of a thymine-dimer None of these conversion of guanine to xanthine deamination of cytosine to uracil formation of a thymine-dimer None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair The whole-genome shotgun sequencing approach depends primarily on methodical sequencing a few large cloned fragments of DNA All of these sequencing the bacterial chromosome while it is still intact rapidly sequencing thousands of small randomly cloned fragments methodical sequencing a few large cloned fragments of DNA All of these sequencing the bacterial chromosome while it is still intact rapidly sequencing thousands of small randomly cloned fragments ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as 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 an enzyme that repairs mutations a molecule which stabilizes DNA thus prevents mutations from occurring ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? SOS repair Photoreactivation Excision repair Never leads to mutation SOS repair Photoreactivation Excision repair Never leads to mutation ANSWER DOWNLOAD EXAMIANS APP