DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of deamination of cytosine to uracil conversion of guanine to xanthine formation of a thymine-dimer None of these deamination of cytosine to uracil conversion of guanine to xanthine formation of a thymine-dimer None of these 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 are lower in molecular size New strands do not contain cytosine bases New strands are methylated while old strands are not Old strands are methylated while new strands are not New strands are lower in molecular size New strands do not contain cytosine bases ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following(s) is/are steps in excision repair mechanisms? Ligation Excision All of these Incision Ligation Excision All of these Incision ANSWER DOWNLOAD EXAMIANS APP
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 A nonsense mutation may result into an abnormal elongation of a polypeptide modification of mRNA a premature termination of the synthesis of a polypeptide a large deletion within the reading frame of a gene an abnormal elongation of a polypeptide modification of mRNA a premature termination of the synthesis of a polypeptide a large deletion within the reading frame of a gene ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair When mutations involve vital functions so that the mutants are nonviable, it is a nonsense mutation transversion none of these lethal mutation nonsense mutation transversion none of these lethal mutation ANSWER DOWNLOAD EXAMIANS APP