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The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..

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Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..

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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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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

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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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Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..