DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Induced mutations Analogous mutations None of these Spontaneous mutations Induced mutations Analogous mutations None of these Spontaneous mutations 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 not a regulated promoter a bacterial promoter the natural promoter of the gene being cloned expressed both in bacteria and mammalian cells not a regulated promoter a bacterial promoter the natural promoter of the gene being cloned ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair When mutations involve vital functions so that the mutants are nonviable, it is a nonsense mutation transversion lethal mutation none of these nonsense mutation transversion lethal mutation none of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation may result into an abnormal elongation of a polypeptide modification of mRNA a premature termination of the synthesis of a polypeptide a large deletion within the reading frame of a gene an abnormal elongation of a polypeptide modification of mRNA a premature termination of the synthesis of a polypeptide a large deletion within the reading frame of a gene 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 shorten the length of the protein encoded by the gene cause premature termination of the mRNA cause a shift in reading frame have no effect on the transcript or protein made shorten the length of the protein encoded by the gene cause premature termination of the mRNA cause a shift in reading frame 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? New strands are lower in molecular size New strands do not contain cytosine bases Old strands are methylated while new strands are not New strands are methylated while old strands are not New strands are lower in molecular size New strands do not contain cytosine bases Old strands are methylated while new strands are not New strands are methylated while old strands are not ANSWER DOWNLOAD EXAMIANS APP
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