This interactive slide show allows you to learn about the different ways scientists are able to detect when genes are being expressed in various tissues. There are also short video clips throughout the presentation.

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This interactive slide show illustrates how RNA is an information molecule that can also function as an enzyme. Learn about the many different forms that RNA can take. There are also short video clips thorughout the presentation.

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This interactive slide show takes you through the process of identifying gender. At times those responsible for conducting high-stakes athletic competitions like the Olympics have been greatly concerned with gender testing athletes. Learn why verifying a person's gender may be harder than you think.

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This interactive slide show illustrates how RNA interference is an exciting new research tool for shutting down genes. It could also yield new medical treatments. Learn how RNA interference was discovered and how it works.

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This animation illustrates regulatory "switches" are found upstream from a gene. Regulatory molecules bind to the switches and recruit RNA polymerase to bind to the gene's promoter region, increasing the transcription of the gene into messenger RNA. Regulatory "switches" are found upstream from a gene. Regulatory molecules bind to the switches and recruit RNA polymerase to bind to the gene's...

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