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Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

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This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

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Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..

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Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..

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Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..

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Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..