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DNA Sequencing, Mutation and Repair

DNA Sequencing, Mutation and Repair
Which of the following bacterial genome was sequenced first?

S. thermophilus
S. pneumoniae
H. influenzae
E. coli

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DNA Sequencing, Mutation and Repair
Which of the following(s) is/are steps in excision repair mechanisms?

Incision
All of these
Ligation
Excision

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DNA Sequencing, Mutation and Repair
Which of the following mutation affects only a single nucleotide?

Point mutation
Site mutation
Aerial mutation
Regional mutation

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DNA Sequencing, Mutation and Repair
Which of the following mutations arise without exposure to external agents?

None of these
Spontaneous mutations
Analogous mutations
Induced mutations

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DNA Sequencing, Mutation and Repair
Genetic variations are

influenced by the environment
temporary
stable
not heritable

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DNA Sequencing, Mutation and Repair
A nonsense mutation may result into

a large deletion within the reading frame of a gene
modification of mRNA
an abnormal elongation of a polypeptide
a premature termination of the synthesis of a polypeptide

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