DNA Sequencing, Mutation and Repair Which of the following mutation affects only a single nucleotide? Point mutation Site mutation Aerial mutation Regional mutation Point mutation Site mutation Aerial mutation Regional mutation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Thymine dimers are directly repaired with the help of visible light by process known as phosphorylation photoreactivation excision repair photosynthesis phosphorylation photoreactivation excision repair photosynthesis ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of formation of a thymine-dimer 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 ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Induced mutations Analogous mutations Spontaneous mutations None of these Induced mutations Analogous mutations Spontaneous mutations None 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 Never leads to mutation Photoreactivation SOS repair Excision repair Never leads to mutation Photoreactivation 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
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