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 Thymine dimers are directly repaired with the help of visible light by process known as phosphorylation photoreactivation photosynthesis excision repair phosphorylation photoreactivation photosynthesis excision repair ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Induced mutations Spontaneous mutations None of these Analogous mutations Induced mutations Spontaneous mutations None of these Analogous mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as an inhibitor of gene modification a molecule which stabilizes DNA thus prevents mutations from occurring a chemical or physical agent that induces mutations an enzyme that repairs mutations an inhibitor of gene modification a molecule which stabilizes DNA thus prevents mutations from occurring a chemical or physical agent that induces mutations an enzyme that repairs mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of 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 conversion of guanine to xanthine ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutation affects only a single nucleotide? Site mutation Aerial mutation Point mutation Regional mutation Site mutation Aerial mutation Point mutation Regional mutation ANSWER DOWNLOAD EXAMIANS APP
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