DNA Sequencing, Mutation and Repair A nonsense mutation may result into an abnormal elongation of a polypeptide a large deletion within the reading frame of a gene modification of mRNA a premature termination of the synthesis of a polypeptide an abnormal elongation of a polypeptide a large deletion within the reading frame of a gene modification of mRNA a premature termination of the synthesis of a polypeptide ANSWER DOWNLOAD EXAMIANS APP
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 Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one? 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 New strands are methylated while old strands are not New strands do not contain cytosine bases ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Thymine dimers are directly repaired with the help of visible light by process known as excision repair photosynthesis photoreactivation phosphorylation excision repair photosynthesis photoreactivation phosphorylation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as an enzyme that repairs mutations an inhibitor of gene modification a chemical or physical agent that induces mutations a molecule which stabilizes DNA thus prevents mutations from occurring an enzyme that repairs mutations an inhibitor of gene modification a chemical or physical agent that induces mutations a molecule which stabilizes DNA thus prevents mutations from occurring ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Induced mutations Spontaneous mutations None of these Analogous mutations Induced mutations Spontaneous mutations None of these Analogous mutations ANSWER DOWNLOAD EXAMIANS APP
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