Almost every bacterium is built on one of two wall designs. One stain tells you which. The answer is not just a color. It decides which drugs can reach the wall, and whether a dying cell can throw a body into septic shock. Switch the envelope, set the wall thickness, then run the stain.
Gram-positive envelopedrawn to scale in nanometers
40 nm
Tap a layer in the drawing, or a feature in the list.