The total number of resistant bacteria fluctuates wildly from culture to culture, within a given experiment (same medium, same day, same phase of the moon, etc.)
<h3>What is Luria–Delbrück experiment?</h3>
The Luria–Delbrück experiment also called the Fluctuation Test demonstrated that in bacteria, genetic mutations arise in the absence of selective pressure rather than being a response to it.
Therefore, resistant bacteria fluctuates in the fluctuation test of luria and delbrück.
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The greatest challenge for both American settlers and American Indians in the West in the mid-1800s was a)the exposure to harsh weather. Many settlers and pioneers had to go against harsh weather conditions, such as gales, arid desert conditions and long winters. Since the western part of the United States has different geography, there were many different instances throughout the seasons that the pioneers and settlers had to face.
The correct answer is letter c. critical thinking.
Explanation: Critical thinking consists in analyzing and evaluating the consistency of reasoning, especially the statements that society considers true in the context of everyday life.
This assessment can be accomplished through observation, experience, reasoning or the scientific method. Critical thinking requires clarity, precision, fairness and evidence, as it seeks to avoid particular impressions.
The Albany Plan of Union was a plan to create a unified government for the 13 Colonies on July 10, 1754.
A True according to my social studies teacher.