In the 1920s, Frederick Griffith Conducted an Experiment in Which

question 9

Multiple Choice

In the 1920s, Frederick Griffith conducted an experiment in which he mixed the dead cells of a bacterial strain that can cause pneumonia with live cells of a bacterial strain that cannot. When he cultured the live cells, some of the daughter colonies proved able to cause pneumonia. Which of the following processes of bacterial DNA transfer does this experiment demonstrate?

• A)transduction
• B)conjugation
• C)transformation
• D)transposition

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Definitions:

Scientific Reasoning

The methodological approach to problem-solving and understanding natural phenomena through hypothesis formation, experimental design, data analysis, and logical argumentation.

Hypothesis Testing

A statistical method used to determine if there is enough evidence in a sample of data to infer that a certain condition is true for the entire population.

Problem Identification

A rephrased definition: Initiating the problem-solving process by clearly recognizing and outlining an issue that needs to be dealt with.

Deduction

A method of reasoning from the general to the specific, where conclusions are drawn based on premises assumed to be true.