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The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

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Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..

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Genetic Control – On and Off Genes

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The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..

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Independent Assortment and Crossing Over

This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

Selective Breeding
Selective Breeding

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