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In chemistry and biology, reactive oxygen species ( ROS) are highly reactive chemicals formed from diatomic oxygen ( O2 ), water, and hydrogen peroxide. Some prominent ROS are hydroperoxide (O 2 H), superoxide (O 2- ), [1] hydroxyl radical (OH. ), and singlet oxygen. [2] ROS are pervasive because they are readily produced from O 2, which is ...
The most common theory about the origins of Russians is the Germanic version. The name Rus ', like the Proto-Finnic name for Sweden (*Ruotsi), supposed to be descended from an Old Norse term for "the men who row" (rods-) as rowing was the main method of navigating the rivers of Eastern Europe, and that it could be linked to the Swedish coastal area of Roslagen or Roden, as it was known in ...
48th Armored Division – "Hurricane". 49th Armored Division – "Lone Star"; referring to its status as a Texas National Guard formation, after the state's nickname. 50th Armored Division – "Jersey Blues"; referring to the fact that it was a New Jersey National Guard unit. This is today's 50th Infantry Brigade Combat Team.
Rose Cross. The Rose Cross (also called Rose Croix and Rosy Cross) is a symbol largely associated with the legendary Christian Rosenkreuz, a Christian Kabbalist and alchemist said to have been the founder of the Rosicrucian Order. [1] [2] The Rose Cross is a cross with a rose at its centre, which is usually red, golden or white. [3]
A seal consisting of a Manji, Star of David, Ankh, Om, and Ouroboros, used by the Theosophical Society, an organization formed in 1875 to advance Theosophy. Septenary Sigil. Order of Nine Angles. The main symbol of the Order of Nine Angles, a neo-Nazi Satanic and Left-hand occult group based in the United Kingdom.
RFF – (i) Right of First Refusal (legal term) RFI – (i) Ready For Inspection – Ready For Issue – Request For Information – Radio Frequency Interference. RFID – (p) Radio Frequency IDentification. RFL – (i) Rugby Football League.
Mitochondrial ROS ( mtROS or mROS) are reactive oxygen species (ROS) that are produced by mitochondria. [1] [2] [3] Generation of mitochondrial ROS mainly takes place at the electron transport chain located on the inner mitochondrial membrane during the process of oxidative phosphorylation. Leakage of electrons at complex I and complex III from ...
Modern Russia (i.e. the Russian Federation) has many symbols. Some of these symbols remain from historical periods such as the Tsarist era or Soviet Union , while others have even older origins. The Russian Federation has several official national symbols including a historical document, a flag, an emblem, a national anthem.