DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Induced mutations None of these Spontaneous mutations Analogous mutations Induced mutations None of these Spontaneous mutations Analogous mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation may result into modification of mRNA a large deletion within the reading frame of a gene an abnormal elongation of a polypeptide a premature termination of the synthesis of a polypeptide modification of mRNA a large deletion within the reading frame of a gene an abnormal elongation of a polypeptide a premature termination of the synthesis of a polypeptide ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following(s) is/are steps in excision repair mechanisms? Excision All of these Incision Ligation Excision All of these Incision Ligation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair The promoter on an expression vector used to overproduce proteins in bacteria is 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 expressed both in bacteria and mammalian cells a bacterial promoter not a regulated promoter 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 do not contain cytosine bases New strands are methylated while old strands are not Old strands are methylated while new strands are not New strands are lower in molecular size New strands do not contain cytosine bases New strands are methylated while old strands are not Old strands are methylated while new strands are not New strands are lower in molecular size ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutation affects only a single nucleotide? Site mutation Point mutation Regional mutation Aerial mutation Site mutation Point mutation Regional mutation Aerial mutation ANSWER DOWNLOAD EXAMIANS APP