What Discovery Was Crucial to the Founding of the Field

question 18

Multiple Choice

What discovery was crucial to the founding of the field of microbiology?

• A) isolation of lepers limiting the spread of infectious disease
• B) agglutination of bacteria in immune serum
• C) the chemical composition of DNA, the genetic material
• D) microscopes that allowed for the direct observation of microbes

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Definitions:

Empirical Evidence

Information acquired by observation or experimentation that is used to confirm or disprove a hypothesis or theory.

Theory

A system of ideas intended to explain something, based on general principles independent of the thing to be explained.

Experimental Group

In a scientific study, this is the group that receives the treatment or intervention being tested, allowing researchers to observe its effects in comparison to a control group.

Control Group

In experiments, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure the effects of the treatment on the experimental group.