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The Conscious & Unconscious Nervous System

This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..

Adaptation Tutorial
Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

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Plant Cell Defense

Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

Gene Regulation in Eukaryotes
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Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....

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Fish

The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..