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• Chlorophyll fluorescence — is light that has been re emitted after being absorbed by chlorophyll molecules of plant leaves. By measuring the intensity and nature of this fluorescence, plant ecophysiology can be investigated. Contents 1 Assessing plant physiology with… …   Wikipedia

• Plant tissue test — The nutrient content of a plant can be assessed by testing a sample of tissue from that plant. These tests are important in agriculture since fertilizer application can be fine tuned if the plants nutrient status is known. Nitrogen most commonly… …   Wikipedia

• Photosynthetic reaction centre — A photosynthetic reaction center is a complex of three types of protein that is the site where molecular excitations originating from sunlight are transformed into a series of electron transfer reactions. The reaction center proteins bind… …   Wikipedia

• Nitrogen deficiency — A young cabbage plant exhibiting nitrogen deficiency. This is about nitrogen compounds in plant nutrition. For shortage of nitrogen compounds in human and animal nutrition, see protein deficiency. All plants require sufficient supplies of… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• History of chromatography — The history of chromatography spans from the mid 19th century to the 21st. Chromatography, literally color writing , was used mdash;and named mdash; in the first decade of the 20th century, primarily for the separation of plant pigments such as… …   Wikipedia

• Bilirubin — Bilirubin …   Wikipedia

• cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

• Vitamin B12 — Systematic (IUPAC) name α (5,6 dimethylbenzimidazolyl)coba …   Wikipedia

• genetics — /jeuh net iks/, n. (used with a sing. v.) 1. Biol. the science of heredity, dealing with resemblances and differences of related organisms resulting from the interaction of their genes and the environment. 2. the genetic properties and phenomena… …   Universalium

• Olive oil regulation and adulteration — International Olive Council building The International Olive Council (IOC) is an intergovernmental organization based in Madrid, Spain, with 23 member states. It promotes olive oil around the world by tracking production, defining quality… …   Wikipedia