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Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

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Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..

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This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

Ecosystem Succession
Ecosystem Succession

If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..

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DNA Structure & DNA Replication

DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..

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Sleep and Dreams – Neurology

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