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Pectin is composed of complex polysaccharides that are present in the primary cell walls of a plant, and are abundant in the green parts of terrestrial plants. [5] Pectin is the principal component of the middle lamella, where it binds cells. Pectin is deposited by exocytosis into the cell wall via vesicles produced in the Golgi apparatus. [6]
Timeline of Chinese history. This is a timeline of Chinese history, comprising important legal and territorial changes and political events in China and its dynasties. To read about the background to these events, see History of China.
This template has been designed so that it can be used both in articles that adopt the BC/AD date notation and those that adopt the BCE/CE date notation without forcing some articles to have inconsistent style. It will display BCE/CE notation unless the template gives the parameter BC a value.
Pectin is found naturally in many fruits, chiefly tart varieties of apples, oranges and berries like blueberries. When the fruit is heated, the pectin is activated and leached into whatever liquid ...
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Each region now considered part of the Chinese world has experienced periods of unity, fracture, prosperity, and strife. Chinese civilization first emerged in the Yellow River valley, which along with the Yangtze basin constitutes the geographic core of the Chinese cultural sphere. China maintains a rich diversity of ethnic and linguistic ...
In his book Sinicæ Historiæ Decas Prima, he covered a wide range of Chinese subjects and was the first person to put forward the concept of five thousand years of Chinese history. [5] By the late Qing dynasty, the concept of "5,000 years of Chinese culture" had been officially recognized and promoted by the Qing government. For example, the ...
Date/Time Thumbnail Dimensions User Comment; current: 21:35, 18 February 2023: 1,488 × 1,052 (167 KB): Wilfredor: remove border and save like plane svg: 02:30, 18 February 2023