Question 1
You are viewing an image from a microscope in which the specimens in the smear have more than one color. You are probably looking at
◦ a specimen stained with various fluorescent molecules.
◦ a scanning tunneling micrograph.
◦ a smear stained with a differential stain.
◦ a specimen on a dark-field microscope.
◦ either a specimen stained with a differential stain or fluorescent molecules.
Question 2
In Gram staining, ethanol-acetone is used as a
◦ counterstain.
◦ drying agent.
◦ decolorizing agent.
◦ primary stain.
◦ mordant.