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Tag Archives: Cell Wall

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Cell Anatomy & Organelles

Biology, ScienceBy William Anderson (Schoolworkhelper Editorial Team)December 23, 20101 Comment

Nucleus: Contains most of the genetic info in the eukaryotic cell (some genes are located in mitochondria and chloroplasts) Contains 1 or more nucleolus surrounded by nuclear envelope Nuclear envelope: a double membrane that encloses the nucleus separating its contents from the cytoplasm. Nucleolus – appears as a mass of densely stained granules and fibres…

Kingdom Bacteria

ScienceBy William Anderson (Schoolworkhelper Editorial Team)August 30, 2010Leave a comment

Bacteria are prokaryotic and unicellular (although some join together to form colonies or link up in chains). When people think of bacteria, they immediately think of diseases – but disease-causing bacteria only make up a small fraction of all bacteria. Bacteria play an important role in ecosystems (decomposers, nitrogen fixation), and in edible products (cheese,…

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