DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Spontaneous mutations Induced mutations None of these Analogous mutations Spontaneous mutations Induced mutations None of these Analogous mutations 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? Old strands are methylated while new strands are not New strands are methylated while old strands are not New strands are lower in molecular size New strands do not contain cytosine bases Old strands are methylated while new strands are not New strands are methylated while old 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 What was the first eukaryotic chromosome to be sequenced? Arabidopsis chromosome IV Yeast chromosome XI Yeast chromosome III None of these Arabidopsis chromosome IV Yeast chromosome XI Yeast chromosome III None of these 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 have no effect on the transcript or protein made cause a shift in reading frame shorten the length of the protein encoded by the gene cause premature termination of the mRNA have no effect on the transcript or protein made 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 Genetic variations are not heritable stable temporary influenced by the environment not heritable stable temporary influenced by the environment 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 Photoreactivation Excision repair Never leads to mutation SOS repair Photoreactivation Excision repair ANSWER DOWNLOAD EXAMIANS APP
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