DNA Sequencing, Mutation and Repair Which of the following mutation affects only a single nucleotide? Point mutation Aerial mutation Site mutation Regional mutation Point mutation Aerial mutation Site mutation Regional mutation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation may result into a premature termination of the synthesis of a polypeptide modification of mRNA an abnormal elongation of a polypeptide a large deletion within the reading frame of a gene a premature termination of the synthesis of a polypeptide modification of mRNA an abnormal elongation of a polypeptide a large deletion within the reading frame of a gene 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 Ligation Incision Excision All of these Ligation Incision ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair When mutations involve vital functions so that the mutants are nonviable, it is a transversion lethal mutation none of these nonsense mutation transversion lethal mutation none of these nonsense mutation 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 methylated while old strands are not New strands do not contain cytosine bases Old strands are methylated while new strands are not New strands are lower in molecular size New strands are methylated while old strands are not New strands do not contain cytosine bases 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 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