Microbiology Lab Final

Front

What should you never use when on high power?

Back

Course adjustment

Front

Part 9

Back

Ocular

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Front

Why is it important that the Petri plates are incubated upside down?

Back

To prevent moisture from condensing onto the agar surface

Front

What is the goal of aseptic techniques?

Back

To exclude contaminants such as airborne spores, microorganisms, and surface contaminants of the worker and environment.

Front

What is the goal of streak-plating?

Back

to obtain pure colonies

Front

Place the following steps in the correct order: 1-staining; 2-smear; 3-fixation

Back

2-3-1

Front

Positive staining uses

Back

Basic dyes.

Front

Which staining technique is used to identify acid-fast bacteria?

Back

Ziehl-Neelsen staining

Front

What is the primary use of Gram staining in microbiology?

Back

To differentiate between gram-positive and gram-negative bacteria

Front

What is the main purpose of using a negative stain in microscopy?

Back

To stain the background instead of the specimen