DNA Sequencing, Mutation and Repair A nonsense mutation introduced into the DNA sequence of a gene may shorten the length of the protein encoded by the gene cause a shift in reading frame cause premature termination of the mRNA have no effect on the transcript or protein made shorten the length of the protein encoded by the gene cause a shift in reading frame cause premature termination of the mRNA have no effect on the transcript or protein made ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Never leads to mutation SOS repair Excision repair Photoreactivation Never leads to mutation SOS repair Excision repair Photoreactivation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair When mutations involve vital functions so that the mutants are nonviable, it is a transversion none of these lethal mutation nonsense mutation transversion none of these lethal mutation nonsense mutation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A mutagen is defined as 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 an enzyme that repairs mutations 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 bacterial genome was sequenced first? S. thermophilus S. pneumoniae E. coli H. influenzae S. thermophilus S. pneumoniae E. coli H. influenzae ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Changes in which of the following characterizes mutations? Phenotype Genotype Both (a) and (b) None of these Phenotype Genotype Both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP