oxygen tension: the partial pressure of oxygen molecules dissolved in a liquid, such as blood plasma. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides CallUrl('www>s-cool>co>ukbiology>leidenuniv>nlhtml',0), ~TildeLink()-demanding waste is an extremely important pollutant to ecosystems. About 20 CallUrl('honeycuttscience>commagnet>fsu>eduhtml',0), This process releases ~TildeLink() as a waste product. Respiration consists of three separate metabolic phases: glycolysis, the Krebs cycle, and the electron trans How do small animals solve the problem of having these molecules enter and exit their cells? What is what? Oxygen and is present in many organic compounds. Most surface water in contact with the atmosphere has a small amount of dissolved ~TildeLink(), which is needed by aquatic organisms for cellular respiration. These locations are the focus of intense research - informing how astrobiologists look for and identify life elsewhere in the universe. Synonym(s): oxygen uptake . The oxygen gets in the body through the respiration process. CallUrl('www>isaaa>orghtm',0), After infection, factors such as fever (viral replication is strongly influenced by temperature) and inflammatory processes including edema, leukocyte accumulation, local hyperthermia, reduced ~TildeLink() tension and altered cell metabolism can all act to reduce viral replication. CallUrl('www>macroevolution>nethtml',0), ~TildeLink() transport[edit]Basic hemoglobin saturation curve. Among anaerobes, some can live in the presence or absence of ~TildeLink(). oxygen definition: 1. a chemical element that is a gas with no smell or colour. ~TildeLink()ic (or H2O) photosynthesis, using PSI and PSII, takes place in cyanobacteria. Temperature: CallUrl('www>icoachmath>comhtml',0), ~TildeLink() technique (primary productivity). Photosynthesis is defined as the process, used by green plants and photosynthetic bacteria, where electromagnetic radiation is converted to chemical energy and uses the energy of light to convert carbon dioxide and water to carbohydrates and oxygen. Please tell us where you read or heard it (including the quote, if possible). The matrix is filled with water (H2O) and proteins (enzymes). CallUrl('www>bartleby>com<107<142>html',0), Here the microbes are attacked in various ways, including by the cell producing, via their own metabolic activity, a sudden increase in concentration (a burst) of highly reactive forms of ~TildeLink() such as peroxides and superoxides. Oxygen definition, a colorless, odorless, gaseous element constituting about one-fifth of the volume of the atmosphere and present in a combined state in nature. Oxygen cycle definition, the process by which oxygen released into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis. The brain consumes large amounts of ~TildeLink() and cannot survive if deprived of it for more than ten minutes. It can be delivered via nasal tubes, an oxygen mask, or an oxygen tent. CallUrl('www>vidyagyaan>comgenomenewsnetwork>orgshtml',0), Molecules containing Carbon in their structures are called Organic compounds; for example, the Carbon Dioxide, which is formed by one atom of Carbon and two atoms of ~TildeLink() (CO2). Anoxygenic (or H2S) photosynthesis, using PSI, is seen in living purple and green bacteria. Glucose and oxygen react together in cells to produce carbon dioxide and water and releases energy. The blood is the carrier of the oxygen from the lungs to the different organs and tissues. Cellular respirationis the process of utilizing oxygen and food molecules to create energy, carbon dioxide, water, and waste products. Water (definition #1) a colorless, transparent, odorless, tasteless liquid that is the basis of the fluids of living organisms. CallUrl('bigpictureeducation>combrainscape>comorgpageshtml',0), Now, the mutation does not really affect the ability of beta-globin to participate with alpha-globin and make hemoglobin, and it doesn't affect the ability to carry ~TildeLink(). Reduction of oxygen takes place in the mitochondrial matrix and thus contributes to the proton motive force by sequestering protons on that side of the mitochondrial inner membrane where already there is a dearth of protons. The influence of solubility on diffusion in modeled in Graham's law.Respiratory SystemIndex CallUrl('hyperphysics>phy-astr>gsu>eduhtml',0), aerobic ~TildeLink()-dependent form of respiration.aestivation The condition of dormancy or torpidity during the hot summer months. The oxygen needed by the body can be used from the atmospheric air. However, there is another old definition involving hydrogen which may be encountered in organic chemistry texts. Oxygen: The odorless gas that is present in the air and necessary to maintain life. Hemoglobin in the blood carries ~TildeLink() from the respiratory organs (lungs or gills) to the rest of the body (i.e. While oxygen (O 2) is necessary for life, oxygen as The atmosphere, the total content of biological matter on the planet and the Earths crust are the three main reservoirs of oxygen. If the alveoli begin to fill up with water, three problems occur.
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