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 dye would go between the plasma membrane and membrane of the organelles.
C. Injection of the dye must occur in the inner membrane space of the mitochondria.
D. The Golgi apparatus holds the cytosol, and therefore the dye must be injected there.


B. The dye would go between the plasma membrane and membrane of the organelles.

Biology & Microbiology

You might also like to view...

Macroscopically visible growths or clusters of microorganisms on solid media are called ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Imagine that you are studying the control of ?-globin gene expression in immature red blood cells . (Mature red blood cells contain ?-globin protein but lack a nucleus and, therefore, the ?-globin gene.)

If you deleted a sequence of DNA outside the protein-coding region of the ?-globin gene and found that this increased the rate of transcription, the deleted sequence likely functions as _____. A) a promoter B) a promoter-proximal element C) an enhancer D) a silencer E) any of the listed functions

Biology & Microbiology

Microbial antagonism means that

A) good microbes are replaced by invading pathogenic microbes. B) good microbes establish themselves in the host and prevent invasion by pathogenic microbes. C) the host is predisposed to disease due to the microbes they harbor. D) pathogenic bacterial growth is encouraged by the presence of established host organisms.

Biology & Microbiology

Which of the following are NOT cnidaria?

a) hydrozoa b) corals c) planaria d) Portuguese man-of-war e) sea anemones

Biology & Microbiology