A Microbiologist Makes a Fixed Smear of Bacterial Cells and Stains

question 62

Multiple Choice

A microbiologist makes a fixed smear of bacterial cells and stains them with Loeffler's methylene blue.All the cells appear blue under the oil lens.This is an example of

• A)negative staining.
• B)using an acidic dye.
• C)simple staining.
• D)using the acid-fast stain.
• E)capsule staining.

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Definitions:

Bimodal Neurons

Neurons that are responsive to stimuli from two different sensory modalities, such as auditory and visual.

Classical Conditioning

A learning process in which a natural response becomes associated with a previously neutral stimulus after repeated pairings.

Dentist Drill

A high-speed drill used by dentists to remove decayed tooth material before filling a cavity, known for its distinctive sound.

Observational Learning

A learning process in which individuals acquire new behaviors, skills, or knowledge by watching others.