DNA Sequencing, Mutation and Repair Which of the following bacterial genome was sequenced first? S. thermophilus S. pneumoniae H. influenzae E. coli S. thermophilus S. pneumoniae H. influenzae E. coli 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 methylated while old strands are not New strands do not contain cytosine bases New strands are lower in molecular size Old strands are methylated while new strands are not New strands are methylated while old strands are not New strands do not contain cytosine bases New strands are lower in molecular size ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation introduced into the DNA sequence of a gene may cause premature termination of the mRNA shorten the length of the protein encoded by the gene have no effect on the transcript or protein made cause a shift in reading frame cause premature termination of the mRNA shorten the length of the protein encoded by the gene have no effect on the transcript or protein made cause a shift in reading frame 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 the following(s) is/are steps in excision repair mechanisms? Incision Excision Ligation All of these Incision Excision Ligation All of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? SOS repair Excision repair Photoreactivation Never leads to mutation SOS repair Excision repair Photoreactivation Never leads to mutation ANSWER DOWNLOAD EXAMIANS APP
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