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The website provides a free online collection of multimedia including educational games, videos, images, and lesson plans, with a focus on game-based learning. Spongelab.com is a web-based teaching platform that allows educators to combine science, discovery learning tools and technology to create a visually engaging interactive whole. [1]
In eukaryotes, the cell cycle consists of four main stages: G 1, during which a cell is metabolically active and continuously grows; S phase, during which DNA replication takes place; G 2, during which cell growth continues and the cell synthesizes various proteins in preparation for division; and the M phase, during which the duplicated ...
Cyclin D / CDK4, Cyclin D / CDK6, and Cyclin E / CDK2 – regulates transition from G 1 to S phase. G 2 /M cyclins – essential for the control of the cell cycle at the G2/M transition ( mitosis ). G 2 /M cyclins accumulate steadily during G 2 and are abruptly destroyed as cells exit from mitosis (at the end of the M-phase ).
A biochemical cascade, also known as a signaling cascade or signaling pathway, is a series of chemical reactions that occur within a biological cell when initiated by a stimulus.
Progress Quest is a video game developed by Eric Fredricksen as a parody of EverQuest and other massively multiplayer online role-playing games.It is loosely considered a zero-player game, in the sense that once the player has set up their artificial character, there is no user interaction at all; the game "plays" itself, with the human player as spectator.
These hormones promote the production of insulin-like growth factor-1 (IGF-1), which plays a key role in the formation of new bone cells. Adequate nutrient intake is essential for the production of these hormones, which are critical for proper bone growth. However, a lack of proper nutrition can hinder this process and result in stunted growth.
These results and the first mentioning of the term ischemic penumbra were published in 1977 in Stroke (1), and further substantiated by an editorial in 1981 (2). The first decade of research focused on physiologic profile of the penumbra tissue after stroke , mapping the cerebral blood flow, and quantifying oxygen and glucose consumption to ...
Jean-Baptiste Lamarck proposed a tendency for organisms to become more complex, moving up a ladder of progress, plus "the influence of circumstances", usually expressed as use and disuse. [6] This second, subsidiary element of his theory is what is now called Lamarckism , a proto-evolutionary hypothesis of the inheritance of acquired ...