Practice question
Question
Cell A has a much higher level of physiological activity than Cell B. Their mitochondria are difficult to distinguish in unstained preparations, but both cells are then treated with the same suitable mitochondrial stain.
Which observation is most reasonable?
Explanation
Mitochondria are not easily visible unless specifically stained. Their number varies according to the physiological activity of the cell, so the more active cell is likely to contain and reveal more mitochondria.
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