DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of 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 deamination of cytosine to uracil formation of a thymine-dimer 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 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 Old strands are methylated while new strands are not ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutation affects only a single nucleotide? Regional mutation Aerial mutation Point mutation Site mutation Regional mutation Aerial mutation Point mutation Site mutation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation may result into modification of mRNA a premature termination of the synthesis of a polypeptide an abnormal elongation of a polypeptide a large deletion within the reading frame of a gene modification of mRNA a premature termination of the synthesis of a polypeptide an abnormal elongation of a polypeptide a large deletion within the reading frame of a gene ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation introduced into the DNA sequence of a gene may have no effect on the transcript or protein made cause premature termination of the mRNA cause a shift in reading frame shorten the length of the protein encoded by the gene have no effect on the transcript or protein made cause premature termination of the mRNA cause a shift in reading frame shorten the length of the protein encoded by the gene ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? Never leads to mutation Excision repair Photoreactivation SOS repair Never leads to mutation Excision repair Photoreactivation SOS repair ANSWER DOWNLOAD EXAMIANS APP
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