DNA Sequencing, Mutation and Repair A mutagen is defined as a chemical or physical agent that induces mutations an enzyme that repairs mutations a molecule which stabilizes DNA thus prevents mutations from occurring an inhibitor of gene modification a chemical or physical agent that induces mutations an enzyme that repairs mutations a molecule which stabilizes DNA thus prevents mutations from occurring an inhibitor of gene modification ANSWER DOWNLOAD EXAMIANS APP
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 A nonsense mutation introduced into the DNA sequence of a gene may 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 have no effect on the transcript or protein made cause premature termination of the mRNA cause a shift in reading frame ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following bacterial genome was sequenced first? S. pneumoniae H. influenzae E. coli S. thermophilus S. pneumoniae H. influenzae E. coli S. thermophilus ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Changes in which of the following characterizes mutations? None of these Both (a) and (b) Genotype Phenotype None of these Both (a) and (b) Genotype Phenotype ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair The promoter on an expression vector used to overproduce proteins in bacteria is expressed both in bacteria and mammalian cells a bacterial promoter not a regulated promoter the natural promoter of the gene being cloned expressed both in bacteria and mammalian cells a bacterial promoter not a regulated promoter the natural promoter of the gene being cloned ANSWER DOWNLOAD EXAMIANS APP
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