DNA Sequencing, Mutation and Repair Genetic variations are influenced by the environment stable not heritable temporary influenced by the environment stable not heritable temporary ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as 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 an inhibitor of gene modification ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair What was the first eukaryotic chromosome to be sequenced? Yeast chromosome XI None of these Arabidopsis chromosome IV Yeast chromosome III Yeast chromosome XI None of these Arabidopsis chromosome IV 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? Old strands are methylated while new strands are not New strands do not contain cytosine bases New strands are methylated while old strands are not New strands are lower in molecular size Old strands are methylated while new strands are not New strands do not contain cytosine bases New strands are methylated while old strands are not New strands are lower in molecular size ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Never leads to mutation Photoreactivation Excision repair SOS repair Never leads to mutation Photoreactivation Excision repair SOS repair ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of conversion of guanine to xanthine formation of a thymine-dimer deamination of cytosine to uracil None of these conversion of guanine to xanthine formation of a thymine-dimer deamination of cytosine to uracil None of these ANSWER DOWNLOAD EXAMIANS APP
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