MCAT Question of the Day
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    Q:

    		 While growing a culture of yeast cells, a carbon source is added and the growth is observed over time. The observer notices there is no lag phase for the growth of these cells. Which of the following best explains the observation?
    		 

    A

    		 The yeast cells had already stored their preferred carbon source and did not experience a growth lag while they adapted to the new carbon source.

    B

    		 The yeast cells were previously dormant and needed to rejuvenate quickly.

    C

    		 The yeast cells had already adapted to use that carbon source.

    D

    		 The yeast cells were added to the culture medium at an already high density.



    Eukaryotic Cells |
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