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C 4 carbon fixation or the Hatch–Slack pathway is one of three known photosynthetic processes of carbon fixation in plants. It owes the names to the 1960s discovery by Marshall Davidson Hatch and Charles Roger Slack. [1] C 4 fixation is an addition to the ancestral and more common C 3 carbon fixation.
Hugo Peter Kortschak (or Kortschack; 4 September 1911, in Chicago, Illinois – 20 August 1983) [1] was an American biologist who discovered the C4 pathway in 1957. This pathway is an adaptation found in plants which reduces loss of energy via the inefficient C2 pathway. It is found in several plants, such as maize and sugarcane.
Rank Prize in Nutrition in 1981, along with Hugo Kortschak and Roger Slack, for "outstanding work on the mechanism of photosynthesis which established the existence of an alternative pathway for the initial fixation of carbon dioxide in some important food plants". [11] Lemberg Medal in 1974, Australian Society for Biochemistry and Molecular ...
Created Date: 8/30/2012 4:52:52 PM
The pineapple is an example of a CAM plant.. Crassulacean acid metabolism, also known as CAM photosynthesis, is a carbon fixation pathway that evolved in some plants as an adaptation to arid conditions [1] that allows a plant to photosynthesize during the day, but only exchange gases at night.
Charles Roger Slack FRS FRSNZ (22 April 1937 – 24 October 2016) was a British-born plant biologist and biochemist who lived and worked in Australia (1962–1970) and New Zealand (1970–2000). In 1966, jointly with Marshall Hatch , he discovered C4 photosynthesis (also known as the Hatch Slack Pathway).
Well-known examples are seen in frogs, which usually hatch as a tadpole and metamorphoses to an adult frog, and certain insects which hatch as a larva and then become remodeled to the adult form during a pupal stage. All the developmental processes listed above occur during metamorphosis.
linear pathways only have one enzymatic reaction producing a species and one enzymatic reaction consuming the species. Branched pathways are present in numerous metabolic reactions, including glycolysis, the synthesis of lysine, glutamine, and penicillin, [1] and in the production of the aromatic amino acids. [2] Simple Branch Pathway.