We are looking for bacteria that can grow with ribose sugar as the only carbon source. Several specimens of bacteria have been sampled from the soil. Pure cultures from each sample are plated on general purpose media (which includes commonly used sugars like glucose), and onto plates containing only ribose as a carbon souce. Which of the following is true? (Consider the entire statement.) The ribose plates are selective - the bacterial colonies on these plates can be compared to those growing on the general purpose plates to look for differences in colony appearance. The ribose plates are differential - the bacterial colonies on these plates can be compared to those growing on the general purpose plates to look for differences in colony appearance. The ribose plates are differential - only bacterial colonies able to use ribose as a carbon source will grow on those plates. The ribose plates are selective - only bacterial colonies able to use ribose as a carbon source will grow on those plates.
We are looking for bacteria that can grow with ribose sugar as the only carbon source. Several specimens of bacteria have been sampled from the soil. Pure cultures from each sample are plated on general purpose media (which includes commonly used sugars like glucose), and onto plates containing only ribose as a carbon souce. Which of the following is true? (Consider the entire statement.)
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The ribose plates are selective - the bacterial colonies on these plates can be compared to those growing on the general purpose plates to look for differences in colony appearance. |
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The ribose plates are differential - the bacterial colonies on these plates can be compared to those growing on the general purpose plates to look for differences in colony appearance. |
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The ribose plates are differential - only bacterial colonies able to use ribose as a carbon source will grow on those plates. |
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The ribose plates are selective - only bacterial colonies able to use ribose as a carbon source will grow on those plates. |
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