DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? None of these Analogous mutations Induced mutations Spontaneous mutations None of these Analogous mutations Induced mutations Spontaneous mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair When mutations involve vital functions so that the mutants are nonviable, it is a none of these nonsense mutation transversion lethal mutation none of these nonsense mutation transversion lethal mutation 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 The DNA sequences of rRNA genes can be used to assess relatedness of eukaryotes but not prokaryotes predict the pulsed field gel pattern of a microorganism obtain a tentative identification of a new microorganism predict whether a bacteria will be gram-positive or gram-negative assess relatedness of eukaryotes but not prokaryotes predict the pulsed field gel pattern of a microorganism obtain a tentative identification of a new microorganism predict whether a bacteria will be gram-positive or gram-negative 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 methylated while old strands are not Old strands are methylated while new strands are not New strands do not contain cytosine bases New strands are lower in molecular size New strands are methylated while old strands are not Old strands are methylated while new 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 Which of these mechanisms for thymine dimers repair lead to mutations? Photoreactivation SOS repair Excision repair Never leads to mutation Photoreactivation SOS repair Excision repair Never leads to mutation ANSWER DOWNLOAD EXAMIANS APP