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This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

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This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

Body temperature regulation by the hypothalamus
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This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..

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Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..

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The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..