Exam 8: Microbiological Laboratory Techniques

Bacteria that appear red after gram staining are said to be gram-__________.

Chemically,agar is a

Which of the following media is often used to grow Mycobacterium tuberculosis?

Which of the following stains is the most widely used differential stain in hematology laboratories?

A culture that contains a single species of an organism is a __________ culture.

Match the description below with the correct item from this list. -General-purpose medium frequently used as the base medium of other agar plate types

Which of the following is a biological test organism for validating dry or moist heat sterilization?

A saucer-shaped liquefaction in a gelatin stab is referred to as

Which of the following microorganisms can be cultured only in the footpads of mice or a species of armadillo?

The stain used to identify bacteria with a large amount of peptidoglycan in their cell walls is the

Which of the following media are defined and have an exact chemical composition?

Match the description below with the correct item from this list. -Most commonly used general medium in the laboratory

A common laboratory medium is nutrient broth,which contains beef extract and __________.

The destruction of all microorganisms and their endospores is referred to as