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Longshan culture From Wikipedia, the free encyclopedia Jump to navigation Jump to search Longshan culture Geographical range Lower and middle Yellow River, China Period Neolithic China Dates c. 3000 – c. 1900 BC Type site Chengziya Major sites Taosi Preceded by Yangshao culture, Dawenkou culture Followed by Erlitou culture, Yueshi culture Chinese name Traditional Chinese 龍山文化 Simplified Chinese 龙山文化 Transcriptions Standard Mandarin Hanyu Pinyin Lóngshān wénhuà Wade–Giles Lung-shan wen-hua The Longshan (or Lung-shan ) culture , also sometimes referred to as the Black Pottery Culture , was a late Neolithic culture in the middle and lower Yellow River valley areas of northern China from about 3000 to 1900 BC. The first archaeological find of this culture took place at the Chengziya Archaeological Site in 1928, with the first excavations in 1930 and 1931. The culture is named after the nearby modern town of Longshan ( lit.  "Dragon Mounta

Two mitochondria from mammalian lung tissue displaying their matrix and membranes as shown by electron microscopy Cell biology Components of a typical animal cell: Nucleolus Nucleus Ribosome (little dots) Vesicle Rough endoplasmic reticulum Golgi apparatus (or "Golgi body") Cytoskeleton Smooth endoplasmic reticulum Mitochondrion Vacuole Cytosol (fluid that contains organelles, comprising the cytoplasm) Lysosome Centrosome Cell membrane Components of a typical mitochondrion 1 Outer membrane 1.1 Porin 2 Intermembrane space 2.1 Intracristal space 2.2 Peripheral space 3 Lamella 3.1 Inner membrane 3.11 Inner boundary membrane 3.12 Cristal membrane 3.2 Matrix 3.3 Cristæ 4 Mitochondrial DNA 5 Matrix granule 6 Ribosome 7 ATP synthase The mitochondrion (plural mitochondria ) is a double-membrane-bound organelle found in most eukaryotic organisms. Some cells in some multicellular organisms may, however, lack them (for example, mature mammalian red blood cells). A numbe