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DNA Sequencing, Mutation and Repair

DNA Sequencing, Mutation and Repair
The mutation which will not affect the length of a protein is,

frameshift mutation
all of these
missense mutation
nonsense mutation

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DNA Sequencing, Mutation and Repair
Genetic variations are

stable
temporary
influenced by the environment
not heritable

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

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

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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
A nonsense mutation introduced into the DNA sequence of a gene may

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

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DNA Sequencing, Mutation and Repair
Which of these mechanisms for thymine dimers repair lead to mutations?

SOS repair
Never leads to mutation
Photoreactivation
Excision repair

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