The Transforming Principle: Definition & Explanation


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question 1 of 3

What feature did the S type of bacteria have that the R type did not in Frederick Griffith's 1928 experiment?

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1. The word 'transformation' refers to the observation that:

2. When the R bacteria built a smooth shell from the instructions carried by DNA, we say that it:

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About This Quiz & Worksheet

This quiz and worksheet take a look at how scientists once regarded bacteria. You'll have to be familiar with the transforming principle and transformation in order to score well on the quiz.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • Differences between S and R types of bacteria
  • Definitions of transformation and bacteria
  • What the transforming principle turned out to be

Skills Practiced

  • Distinguishing Differences - compare and contrast topics from the lesson, such as S and R types of bacteria
  • Interpreting information - verify you can read information regarding R bacteria using the instructions carried by DNA to build a smooth shell and interpret it correctly
  • Defining key concepts - ensure you can accurately describe bacteria

Additional Learning

To find out more, review the corresponding lesson on The Transforming Principle: Definition & Explanation. This lesson will help you:

  • Define what the transforming principle is
  • Understand when scientists believed in the principle
  • Identify what happens when bacteria transform
  • Describe what happened during Frederick Griffith's experiment in 1928
  • Appreciate the results of Griffith's experiment