DNA Sequencing, Mutation and Repair A mutagen is defined as a molecule which stabilizes DNA thus prevents mutations from occurring an enzyme that repairs mutations a chemical or physical agent that induces mutations an inhibitor of gene modification a molecule which stabilizes DNA thus prevents mutations from occurring an enzyme that repairs mutations a chemical or physical agent that induces mutations an inhibitor of gene modification ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Genetic variations are not heritable temporary influenced by the environment stable not heritable temporary influenced by the environment stable ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Differentiation of four different bases in automated sequencing systems is that each base has unique antibody bound to it cytosine at start different radioactive tag distinctive fluorescent tag unique antibody bound to it cytosine at start different radioactive tag distinctive fluorescent tag ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of conversion of guanine to xanthine None of these formation of a thymine-dimer deamination of cytosine to uracil conversion of guanine to xanthine None of these formation of a thymine-dimer 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? SOS repair Excision repair Never leads to mutation Photoreactivation SOS repair Excision repair Never leads to mutation Photoreactivation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation introduced into the DNA sequence of a gene may have no effect on the transcript or protein made cause premature termination of the mRNA cause a shift in reading frame shorten the length of the protein encoded by the gene have no effect on the transcript or protein made cause premature termination of the mRNA cause a shift in reading frame shorten the length of the protein encoded by the gene ANSWER DOWNLOAD EXAMIANS APP