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Photosystem I (PSI, or plastocyanin–ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae, plants, and cyanobacteria. Photosystem I [1] is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin.
The glacier retreated 1.9 kilometres (1.2 mi) in 33 years. The retreat of glaciers since 1850 is well documented and is one of the effects of climate change. The retreat of mountain glaciers provide evidence for the rise in global temperatures since the late 19th century. Examples include mountain glaciers in western North America, Asia, the ...
1q21.1 duplication syndrome, also known as 1q21.1 microduplication, is an uncommon copy number variant associated with several congenital abnormalities, including developmental delay, dysmorphic traits, autism spectrum disorder, and congenital cardiac defects. [1] Common facial features include frontal bossing, hypertelorism, and macrocephaly.
2015 (Monday) 2014 (Sunday) September 21 is the 264th day of the year (265th in leap years) in the Gregorian calendar; 101 days remain until the end of the year.
Empire MacAndrew. Empire MacAndrew was a 7,952 GRT MAC cargo ship which was built by William Denny & Bros Ltd, Dumbarton. Launched on 3 May 1943 and completed in July 1943. Sold in 1947 to McCowan & Gross Ltd, London and renamed Derryheen. Sold in 1951 to Cape of Good Hope Motor Ship Co Ltd and renamed Cape Grafton.
The 2024 season is the Baltimore Ravens ' 29th season in the National Football League (NFL) and their 17th under head coach John Harbaugh. They will be trying to match or improve their 2023 record of 13–4 and defend their AFC North title. The Ravens publicly announced that they would honor the 2024 season to the recently deceased Jacoby Jones ...
1934 – Lieutenant Kijé, one of Sergei Prokofiev's best-known works, premiered. [9] 1936 – First flight of the Junkers Ju 88 multi-role combat aircraft. 1937 – Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre. 1941 – World War II: A Thai-Japanese Pact of Alliance is ...