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What molecule is all of this based on?

Posted on August 10, 2020 by Geoffrey

Phet Simulation Gene Expression Goal: Students can describe the process and effects of gene expression Go to the “Expression” Tab. Start on Gene # What molecule is all of this based on? What do you think the difference in color of strands represent? Are they really that color? For the next several questions: think […]

How does the bacteria use this system to efficiently control the production of the lacZ protein?

Posted on August 10, 2020 by Geoffrey

Part 1 – Simulating how Gene Expression works Open the simulation from https://phet.colorado.edu/en/simulation/legacy/gene-machine-lac-operon On the screen you should see two floating blue molecules, these are RNA polymerase. There is also an incomplete DNA gene beneath them. You can turn on the legend in the lower right and that will help you identify the molecules. Click […]