DNA Sequencing, Mutation and Repair Thymine dimers are directly repaired with the help of visible light by process known as photosynthesis excision repair phosphorylation photoreactivation photosynthesis excision repair phosphorylation photoreactivation 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
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 A mutagen is defined as 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 a chemical or physical agent that induces mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Photoreactivation Excision repair Never leads to mutation SOS repair Photoreactivation Excision repair Never leads to mutation SOS repair 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 cause a shift in reading frame shorten the length of the protein encoded by the gene cause premature termination of the mRNA have no effect on the transcript or protein made cause a shift in reading frame shorten the length of the protein encoded by the gene cause premature termination of the mRNA ANSWER DOWNLOAD EXAMIANS APP
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