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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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Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..

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This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

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There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..

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Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

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Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

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