DNA Sequencing, Mutation and Repair The mutation which will not affect the length of a protein is, all of these missense mutation nonsense mutation frameshift mutation all of these missense mutation nonsense mutation frameshift 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 Frame shift mutation may occur as a result of deamination of cytosine to uracil formation of a thymine-dimer None of these conversion of guanine to xanthine deamination of cytosine to uracil formation of a thymine-dimer None of these conversion of guanine to xanthine ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as an inhibitor of gene modification a molecule which stabilizes DNA thus prevents mutations from occurring an enzyme that repairs mutations a chemical or physical agent that induces mutations an inhibitor of gene modification a molecule which stabilizes DNA thus prevents mutations from occurring an enzyme that repairs mutations a chemical or physical agent that induces mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following(s) is/are steps in excision repair mechanisms? Incision Excision All of these Ligation Incision Excision All of these Ligation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Excision repair SOS repair Never leads to mutation Photoreactivation Excision repair SOS repair Never leads to mutation Photoreactivation ANSWER DOWNLOAD EXAMIANS APP