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The CK-12 Foundation is a California-based non-profit organization which aims to increase access to low-cost K-12 education in the United States and abroad. [2] CK-12 provides free and customizable K-12 open educational resources aligned to state curriculum standards. As of 2022, the foundation's tools were used by over 200,000,000 students ...
3 Molecular biology. 4 Cell biology. 5 References. ... Download as PDF; Printable version; ... CK-12 CK-13 CK-14 CK-15 CK-16 CK-17: LMWCK "simple keratins"
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FlexBook is a textbook authoring platform developed by the CK-12 Foundation launched in 2008, focused on textbooks for the K-12 market. Derived from the words "flexibility" and "textbook," a FlexBook allows users to produce and customize content by re-purposing educational content using different modules.
[11] [12] Miller and his co-workers (1954) isolated and purified the cell division substance in crystallised form from autoclaved herring fish sperm DNA. [11] This active compound was named as Kinetin because of its ability to promote cell division and was the first cytokinin to be named. Kinetin was later identified to be 6-furfuryl-amino purine.
Fires continue to burn for a second week in the Los Angeles area, killing at least 27 people, destroying more than 12,000 structures and prompting evacuation orders for as many as 200,000 ...
Italian Sea Group is not liable in relation to the fatal sinking of Mike Lynch's superyacht, which killed the British tech billionaire and six others, its chief executive said on Tuesday. The ...
January 7, 2025 at 12:04 AM If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1298 ahead. Let's start with a few hints.