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The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

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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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Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

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Population Regulation in an Ecosystem

With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

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While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

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