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Quick Quiz

The amplitude of a wave is a measure of its

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Module of the day

Cellular Organelles I

Evolution isn't always about competition. It can also be about cooperation, as is the case with the development of chloroplasts and…

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Term of the day

Crick, Francis

[person] English molecular biologist, physicist, and neuroscientist, most noted for being one of the co-discoverers of the structure of the DNA molecule…

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