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Cell Cultivations

Cell Cultivations
For most bacteria, the optimum pH for growth lies between

6.5-7.5
4.5-5.5
5.5-6.5
3.5-4.5

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Cell Cultivations
Which of the following is an abiotic elicitors?

UV irradiation
Heavy metal ions
All of these
Osmotic shock

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Cell Cultivations
Semi-solid media, prepared with agar at concentrations of 0.5% or less are useful for the cultivation of

E.coli
all of these
Microaerophillic bacteria
Lactobacilli

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Cell Cultivations
The protoplast can be used to

create plant hybrid
modify genetic information
study plant viral infections
all of these

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Cell Cultivations
Thiobacillus thiooxidans has an optimum pH of

9.0-9.5
6.5-7.5
2.0-3.5
0.5-6.0

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Cell Cultivations
Radical shifts in pH can be prevented by incorporating

any of these
an oxidizing agent
a reducing agent
a buffer

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