If the decolorizer is NOT left on the specimen long enough in the Gram-staining procedure, Gram-positive organisms will be stained __________ and Gram-negative organisms will be stained __________.

A scanning electron microscope can resolve objects as small as 10 nm. This is equivalent to

Mimivirus has a size of 390 nm in length, and 220 nm in diameter.  Can this virus be resolved with a compound light (bright field) microscope?

In Griffin’s experiment of transformation, he concluded that protein was the biological molecule that must be “transferring” information to the nonvirulent strain of Streptococcus.

Match the microscopes on the left with their function on the right

Small internal cell structures that are measured in nanometers (nm) are best visualized using a _________.

In the Gram-staining procedure, the mordant is __________.

Which of the following individuals is credited for definitively disproving the theory of spontaneous generation using broth in swan-neck flask?

Koch’s postulates would work to identify the following organisms as a cause of disease EXCEPT?

Which of these numeric aperture and wave length combinations would give the best resolution?