Pasteur Used Swan-Neck Flasks in His Experiments to Prove That

question 67

Multiple Choice

Pasteur used swan-neck flasks in his experiments to prove that

• A)air had "vital forces" capable of spontaneous generation.
• B)microbial fermentation could be used to make wine.
• C)dust in air was a source of living microorganisms.
• D)microorganisms could cause disease.
• E)microorganisms could be grown in laboratory infusions.

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Definitions:

Measurement

The process of obtaining a numerical value that represents the size, quantity, or degree of an attribute or phenomenon.

Description

The act of detailing or explaining the characteristics, features, or aspects of something.

Operational Definition

A clear, detailed description of how variables in a study are measured or categorized.

Independent Variable

The factor in a study that the investigator alters to examine its impact on the dependent variable.