You are injecting a dye into a eukaryotic cell to detect a specific functional enzyme in the cytosol. Where would you need to inject the dye?
A. You would have to inject the dye into the membrane of the rough ER.
B. The Golgi apparatus holds the cytosol, and therefore the dye must be injected there.
C. The dye would go between the plasma membrane and membrane of the organelles.
D. Injection of the dye must occur in the inner membrane space of the mitochondria.
Answer: C
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