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DNA Sequencing, Mutation and Repair

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

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

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

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

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

missense mutation
nonsense mutation
all of these
frameshift mutation

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

SOS repair
Excision repair
Photoreactivation
Never leads to mutation

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DNA Sequencing, Mutation and Repair
Changes in which of the following characterizes mutations?

Phenotype
Both (a) and (b)
None of these
Genotype

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DNA Sequencing, Mutation and Repair
What was the first eukaryotic chromosome to be sequenced?

Yeast chromosome III
Arabidopsis chromosome IV
Yeast chromosome XI
None of these

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