48+ Biology Cell Structure Background. Ideas about cell structure have changed considerably over the years. General biology | getting started | cells | genetics | classification | evolution | tissues & systems | additional material.
Covers the structure and role of the endoplasmic reticulum, golgi apparatus, vesicle, vacuole, and centriole.
Early biologists saw cells as simple membranous sacs containing fluid and a few floating particles. A cell is the smallest functional unit of any living organism. Cells in culture, stained for keratin (red) and dna (green). They formed as a result of evolutionary changes that took lace in the prokaryotic cells.
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