Exam 3: Tools of the Laboratory: Methods of Studying Microorganisms

Why is oil of immersion often used when viewing specimens under the microscope?

A selective medium contains one or more substances that inhibit growth of certain microbes in order to facilitate the growth of other microbes.

A bacterial species that grows on blood agar but will not grow on trypticase soy agar is termed an anaerobe.

All of the following pertain to the fluorescence microscope except it

Which is incorrect about chocolate agar?

Newly inoculated cultures must be _____ at a specific temperature and time to encourage growth.

Bacteria that require special growth factors and complex nutrients are termed _____.

For which bacterial genus is mannitol salt agar selective?

Which of the following characteristics refers to the microscope's ability to show two separate entities as separate and distinct?

This microscope is the most widely used and shows cells against a bright background:

A medium that is gel-like has less agar in it compared to a solid medium.

A common medium used for growing fastidious bacteria is

At the end of the Gram stain, gram-positive bacteria will be seen as purple cells.

Scanning tunneling and atomic force microscopes are used to image the detailed structure of biological molecules.