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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.
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).
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 ...
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.
Soil geography deals with the distribution of soils across the terrain. This discipline, between geography and soil science, is fundamental to both physical geography and pedology. [9] [10] [11] Pedology is the study of soils in their natural environment. It deals with pedogenesis, soil morphology, soil classification.
Watch from the International Space Station as Nasa's SpaceX Crew-5 prepares to return to Earth This feed shows the undocking from the ISS live from space as the crew embarks on their journey for ...
Original mapping by John Snow showing the clusters of cholera cases in the London epidemic of 1854, which is a classical case of using human geography. Human geography or anthropogeography is the branch of geography which studies spatial relationships between human communities, cultures, economies, and their interactions with the environment, examples of which include urban sprawl and urban ...