what is absorption in biology
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digestion a. The process by which food is converted into substances that can be absorbed and assimilated by a living organism. In most animals it is accomplished in the digestive tract by the mechanical and enzymatic breakdown of foods into simpler chemical compounds.i•ges•tion. 1. the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body.
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- (Redirected from Energy balance (biology)) In biology, energy homeostasis, or the homeostatic control of energy balance, is a biological process that involves the coordinated homeostatic regulation of food intake (energy inflow) and energy expenditure (energy outflow).
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absorption chemical absorption any process by which one substance in liquid or solid form penetrates the surface of another substance. digestive absorption the passage of the end products of digestion from the gastrointestinal tract into the blood and lymphatic vessels and the cells of tissues. Absorption of this kind can take place either by diffusion or by active transport.
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ABSORPTION • ABSORPTION (noun). The noun ABSORPTION has 6 senses: 1. (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid. 2. (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium.he noun ABSORPTION has 6 senses: 1. (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid. 2. (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium.
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ABSORPTION absorption - (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid. soaking up. chemical science, chemistry-the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
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- Symmetry in biology. Symmetry in biology is the balanced distribution of duplicate body parts or shapes within the body of an organism. In nature and biology, symmetry is always approximate: for example plant leaves, while considered symmetrical, rarely match up exactly when folded in half.
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Metabolism Metabolism (from Greek: μεταβολή metabolē, change) is the set of life-sustaining chemical transformations within the cells of living organisms. These enzyme-catalyzed reactions allow organisms to grow and reproduce, maintain their structures, and respond to their environments.etabolism is usually divided into two categories: catabolism, the breaking down of organic matter by way of cellular respiration, and anabolism, the building up of components of cells such as proteins and nucleic acids. Usually, breaking down releases energy and building up consumes energy.
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Digestion Digestion (from Latin digerere = separate) is breakdown of complex nutrients, such as starch, proteins and fats, into their basic components, such as glucose, amino acids and fatty acids thus making them available for absorption.
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Digestion Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream.Digestion is a form of catabolism that is often divided into two processes based on how food is broken down: mechanical and chemical digestion.igestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream.
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Adsorption, Absorption and Desorption â Whatâs the Difference? The major difference between adsorption and absorption is that one is a surface process and the other a bulk process. Adsorption. Adsorption is a surface process, the accumulation of a gas or liquid on a liquid or solid. Adsorption can be defined further based on the strength of the interaction between the adsorbent (the substrate onto which chemicals attach) and the adsorbed molecules. Chemisorption involves more energy than physisorption.
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biology biology. molecular biology study of molecular structures and events underlying biological processes, including relationships between genes and the functional characteristics they determine. radiation biology scientific study of effects of ionizing radiation on living organisms.olecular biology study of molecular structures and events underlying biological processes, including relation between genes and the functional characteristics they determine. radiation biology scientific study of the effects of ionizing radiation on living organisms.
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1.1.2ââLight absorption Figure 1.3 Light absorption by pigments in solution and by leaves. Absorbance (A) refers to attenuation of light transmitted through a leaf or a solution of leaf pigments, as measured in a spectrophotometer, and is derived from the expression A = log I0/I where I0 is incident light, and I is transmitted light.
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Absorption of Water by Plants Plants absorb water through the entire surface-roots, stems and leaves. However, mainly the water is absorbed by roots. The area of young roots where most absorption takes place is the root hair zone.bsorption of water occurs with the help of energy in the form of ATP, which is released due to metabolic activities of root cells such as respiration. Absorption takes place against concentration gradient-even when the concentration of cell sap is lower than that of soil water. Passive absorption is by osmosis.
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- Retrieved from http://powerlisting.wikia.com/wiki/Biological_Absorption?oldid=1066461
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Excretion Egestion is the act of excreting unusable or undigested material from a cell, as in the case of single-celled organisms, or from the digestive tract of multicellular animals. As defined above, elimination broadly defines the mechanisms of waste disposal by living systems at all levels of complexity.
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- Digestion is the process of breaking down organic molecules into pieces small enough to cross the cell membranes of the digestive tract. The process of absorption allows the membranes to be crossed and pieces to enter the blood. Eventually they are delivered to cells where they can be used.
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Absorption Disorders Overview, Types Absorption disorders, also sometimes called malabsorption syndromes, are characterized by problems digesting or absorbing substances (called nutrients) in the diet. Nutrients include vitamins, minerals, carbohydrates (e.g., sugars, starches), fats, and proteins. The term, absorption disorder, does not refer to a specific disease—in most cases, the disorders are related to another medical condition.
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Timeline of the evolutionary history of life In biology, evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary processes give rise to diversity at every level of biological organization, from kingdoms to species, and individual organisms and molecules, such as DNA and proteins.
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- Definition of ASSIMILATION. 1. a: an act, process, or instance of assimilating b: the state of being assimilated. 2.: the incorporation or conversion of nutrients into protoplasm that in animals follows digestion and absorption and in higher plants involves both photosynthesis and root absorption. 3. 4.. a: an act, process, or instance of assimilating b: the state of being assimilated. 2. : the incorporation or conversion of nutrients into protoplasm that in animals follows digestion and absorption and in higher plants involves both photosynthesis and root absorption. 3.
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biology biology bi·ol·o·gy (bī-ŏl'ə-jē) n. The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution. It includes botany and zoology. The life processes or characteristic phenomena of a group or category of living organisms.
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- digestion-the organic process by which food is converted into substances that can be absorbed into the body. gastric digestion-the process of breaking down proteins by the action of the gastric juice in the stomach.biological process, organic process-a process occurring in living organisms.igestion. n. 1. (Physiology) the act or process in living organisms of breaking down ingested food material into easily absorbed and assimilated substances by the action of enzymes and other agents.
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Absorption (skin) Skin absorption is a route by which substances can enter the body through the skin. Along with inhalation, ingestion and injection, dermal absorption is a route of exposure for toxic substances and route of administration for medication.
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Definition of Absorption of Light Definition of Absorption of light. Matter can capture electromagnetic radiation and convert the energy of a photon to internal energy. This process is called absorption. Energy is transferred from the radiation field to the absorbing species.
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How to Spot the Symptoms of Poor Circulation Notice whether there is any coldness or numbness in the extremities. One of the first symptoms of poor circulation is a feeling of numbness that may occur in the hands or feet. You may experience the pins and needles sensation that is similar to the feeling of your leg or arm falling asleep.. There may also be cramping and/or coldness of the hands or feet.
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Pyrolysis oil such as temperature, and can be optimized to produce either energy or biochar. Temperatures of 400–500 °C (752–932 °F) produce more char, while temperatures above 700 °C (1,292 °F) favor the yield of liquid and gas fuel components.
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Biology A plant hormone that controls dormancy, and inhibits other hormones. absorption. The process in which soluble food molecules are diffused, and pass into the blood stream, usually in the small intestine. acid. A substance with a pH less than 7, that donates a hydrogen ion when dissolved in water. activation energy. The minimum amount of energy that is required to start a chemical reaction.