2_Tools of the Lab Review

True or False: Sterile medium contains only one species of microbe and no contaminants.

• True

• False

Check all the media forms below that contain agar.

• Broth

• Deep

• Slant

• Plate

• Complex

This type of media is composed of precise amounts of pure chemicals. It is essential when studying nutritional requirements of bacteria.

• selective media

• differential media

• chemically defined media

• enrichment culture media

T/F: media can be both complex and defined.

• True

• False

T/F: The addition of Peptone would make a medium complex.

• True

• False

This type of media contains specific ingredients that help us to visually distinguish one species of microbe from another.

• selective media

• differential media

• chemically defined media

• enrichment culture media

All of the following methods can be used to obtain pure culture EXCEPT:

• Streak Plate

• Pour Plate

• Spread Plate

• Smear Plate

The resolution of light microscope is:

• 1000-2000X

• 200 nm

• 0.1 mm

• 10 nm

Of the microscopes listed below, which would be the best choice for visualizing fine details?

• Brightfield

• Confocal

• Darkfield

• Phase Contrast

Which type of microscopes are useful for thick specimens?

• Brightfield

• Confocal

• Darkfield

• Fluorescent

• Acid-fast