Microbial Genetics

 

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Microbial Genetics

Question 1
Why Deinococcus radiodurans is able to survive massive exposure to radiation?
A
Because it produces a thick shell which acts as a shield from the radiation
B
Because it has unique DNA repair mechanisms
C
Because its cellwall contains radioactive elements
D
Because it has many copies of genes encoding DNA repair
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Question 2
Which of the following organisms has the smallest genome?
A
H. influenzae
B
M. genitalium
C
M. tuberculosis
D
None of these
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Question 3
What is the range of minimum set of genes required for life?
A
50-100 genes
B
250-350 genes
C
1000-1500 genes
D
1500-2000 genes
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Question 4
Why the bacterium Treponema pallidum is difficult to culture?
A
Because it requires a great deal of water to reproduce
B
Because it is unable to use carbohydrates as an energy source
C
Because it lacks the genes needed for TCA cycle and oxidative phosphorylation
D
Because it requires extremely low temperature at which water freezes
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Question 5
Which of the following is the study of the molecular organization of genomes, their information content and the gene products they encode?
A
Genetics
B
Ergonomics
C
Genomics
D
Bioinformatics
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There are 5 questions to complete.

 

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