BIOL 2905 Chapter Notes - Chapter 3: Phosphate, Exocytosis, Mycobacterium

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23 Feb 2013
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Cells are living, growing, reproducing, responding and metabolizing. Cells can be categorized as either prokaryotic or eukaryotic. Scientist categorize organisms onto groups called taxa ex for prokaryote"s taxa"s would be. Distinctive feature of prokaryotic is that they can make proteins simultaneously to reading the genetic code because the typical prokaryotic does not have a membrane covering its genetic material. Eukaryotic have a membrane surrounding their dna and have more organelles than the prokaryotic. Cells of algae, protozoa, fungi, animals and plants are all prokaryotes. Many cells have special external features that enable them to respond to other cells or their environment. In bacteria these features include glycocalyces, flagella, fimbriae and pili. Some cells have a sticky substance that surrounds the outside of the cell, this is called glycocalyx which means sugar cup . These chemicals are produced in the inside and extruded on the outside.

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