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This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..

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

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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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Plant Cell Defense

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

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The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..