MICROBIAL GENETICS QUIZ

Which type of genomics studies the transcripts and proteins expressed by a genome?

Comparative genomics

Structural genomics

Proteo genomics

Functional genomics

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In the time since E. coli and Salmonella diverged evolutionarily

E, coli has lost approximately 50% of its genome

none of these

E. coli has acquired many genes via horizontal transfer

there has been little change in either genome

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Which of the following organisms has the smallest genome?

None of these

M. genitalium

M. tuberculosis

H. influenzae

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Which of the following is used for determining the location of specific genes within the genome?

Annotation

Genomics

Proteomics

Cloning

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The word, used for the small solid supports onto which are spotted hundreds of thousands of tiny drops of DNA that can be used to screen gene expression, is

cloning library

northern blot

southern blot

DNA microarrays

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Which of the following theory is supported by the genomic sequence of the obligate intracellular parasite Rickettsia prowazekii ?

Parasites have a definite genomic sequence similar to viruses

Mitochondria have evolved from endosymbiotic bacteria

All bacteria evolved from viruses

Parasitic bacteria have very large genomes

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The flow of genetic material in microbial cells usually takes place from

DNA through RNA to proteins

none of these

proteins through RNA to DNA

RNA through DNA to proteins

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Which of the following is concerned with the management and analysis of biological data using computers?

Bioinformatics

Genomics

Bio-physics

Biomechanics

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What is the range of minimum set of genes required for life?

250-350 genes

50-100 genes

1000-1500 genes

1500-2000 genes

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Why Deinococcus radiodurans is able to survive massive exposure to radiation?

Because it has unique DNA repair mechanisms

Because it produces a thick shell which acts as a shield from the radiation

Because it has many copies of genes encoding DNA repair

Because its cellwall contains radioactive elements

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