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Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

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Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

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Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..

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Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

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Protein Variety

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

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Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..