Control  of Gene Expression: Prokaryotes

Control of Gene Expression: Prokaryotes

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Gene Regulation - Prokaryotes

This tutorial explores the major types of gene regulation that Prokaryotes use. Regulation is at the level of transcription, which can be turned on, turned off or enhanced. The try and lac operons will be studied as examples of the control systems.

Source: M. O'Mahony, open source images

Student Notes

Student note Template for Tutorial #8 on Prokaryotic Gene Expression.

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Source: M. O'Mahony, open source figures

Trp Operon web review

This is a worksheet taking you to several websites with animations of the trp operon. The questions are good.

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Source: AP Bio (Gardner) New Rochelle High School, New Rochelle, NY

Gene Machine: The Lac Operon

Go to the following website.


You will be given an activity sheet in class.  It is the " Study Guide for lac operon simulation " found below the simulation information.

Source: Phet Simulations

The Biology Place: lac operon


BioCoach interactive activity on the lac operon.  Recommended if you need 

Source: The Biology Place: Classic Edition

Lac Operon Web Review

This question sheet was developed to address questions on several of the lac operon animations on the web. It contains the links to the animations in it.

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Source: AP Bio (Gardner) New Rochelle High School, New Rochelle, NY