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lana [24]
4 years ago
15

What materials diffuse in and out of a cell across the cell membrane

Biology
1 answer:
11111nata11111 [884]4 years ago
5 0
The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
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By 1795, the warrior chief, Kamehameha the Great, had conquered most of the Hawaiian islands and established a monarchy. In the 1820s, American whalers, traders, and Christian missionaries began to visit and settle in the kingdom of Hawaii.

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As their influence increased, the Americans became deeply involved with the government of the Hawaiian kings. In 1840, American advisors helped King Kamehameha III produce Hawaii's first written constitution.

By 1842, the United States had developed regular diplomatic relations with Hawaii and supported its status as an independent country. After King David Kalakaua ascended the throne in 1874, Hawaii and the United States signed a trade agreement lifting some restrictions on exporting Hawaiian sugar to the United States. In addition, this agreement permitted the United States to lease a naval station at Pearl Harbor.

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