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Gene Expression Essentials

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PhET Interactive Simulations
University of Colorado Boulder


  • Gene Expression
  • DNA Transcription
  • Protein Synthesis
  • Cells
  • Stoichastics of Molecular Interactions


Express yourself through your genes! See if you can generate and collect three types of protein, then move on to explore the factors that affect protein synthesis in a cell.

Sample Learning Goals

  • Explain the main sequence of events that occur within a cell that leads to protein synthesis.
  • Predict how changing the concentrations and interactions of biomolecules affects protein production.
  • Explain how protein production in a single cell relates to the quantity produced by a collection of cells.
Version 1.0.2
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