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food in Biological Definition

Biology

... to its environment when it is searching for food in the African savannah . Within a particular ... Interactions of organisms A food web , a generalization of the food chain, depicting the complex interrelationships ...

Biodiversity

... to humankind are: biodiversity provides food : crops, livestock, forestry, and fish; (see also local food ); biodiversity has a role in medication . ... of the species that are becoming extinct are not food species, their biomass is converted into ...

Biotechnology

... biology , especially when used in agriculture , food science , and medicine . Of the many different ... before) 1992 FDA approves of the first GM food from Calgene : "Flavr Savr" tomato 1999 ... Genetic engineering genetically modified food Industrial biotechnology intein ...

Botany

... of plants . Nearly all the food we eat comes (directly and indirectly) from ... of life on earth. They generate the oxygen , food , fibres , fuel and medicine that allow higher ... Feed the world Virtually all of the food we eat comes from plants, either directly from ...

Diabetes mellitus

... of diabetes. Most of the carbohydrates in food are rapidly digested to glucose , the principal ... is quite dangerous. For example, when food intake is reduced, less insulin is required. A ... satisfactory dosing may be too much if less food is consumed causing a hypoglycemic reaction if ...

Digestion

... In humans, digestion begins in the mouth where food is chewed with the teeth . The process ... the release of saliva , which helps condense food into a bolus that can be easily passed through the esophagus to the stomach . In the stomach, food is churned and thoroughly mixed with acid and ...

Cold-blooded

... They therefore eat only 1/3 to 1/10 of the food needed by homeothermic animals. Ecological ... to extinction because homeotherms can gather food for a greater fraction of each day. ... Amazon basin ). These often do not have enough food to support a viable breeding population of ...

Fermentation

... . According to Steinkraus (1995), traditionally food fermentation serves five main purposes: ... a diversity of flavors, aromas, and textures in food substrates" "Preservation of substantial amounts of food through lactic acid , alcoholic, acetic acid , ...

Human

... The individual need for regular intake of food and drink is prominently reflected in human culture. (See also food science .) Failure to obtain food leads to hunger and eventually starvation , ...

Insulin

... synthesis and release takes place generally at food intake, not just glucose or carbohydrate ... and the latter because they accumulate excess food energy against future needs. Together, they ... grounds) adjusting dosage and timing to fit food amounts and types adjusting dosage and timing ...

Metabolism

... pathways are also involved in the digestion of food . Carbohydrate catabolism ... He found that by far the greatest part of the food he took in was lost from the body through ... Basal metabolic rate Thermic effect of food Iron-sulfur world theory , a "metabolism ...

Nutrition

... process by which an organism assimilates and uses food and liquids for normal functioning, growth and ... developments 3 Nutrition and health 4 food processing 5 Nutrition and longevity 6 ... cells produced before birth ) is acquired from food in the digestive system . Not all ...

Thermoregulation

... of heat is produced by the changes which the food undergoes in the alimentary canal before it ... the struggle for existence this has become so. food temporarily increases the production of heat, the ... and daily torpor Rather than cope with limited food resources and low temperatures, some mammals ...

Thomas Malthus

... 1798 , Malthus predicted population would outrun food supply, leading to a decrease in food per person. This prediction was based on the idea ... (i.e. 2, 4, 8, 16, 32, 64, 128, etc.) whereas the food supply grows at an arithmetic rate (i.e. 1, 2, 3, ...

Alga

... habitats. Microscopic forms, called phytoplankton , provide the food base for marine food chains . Phytoplankton can be present in high densities, called algal ...

Autotroph

... are chemolithoautotrophs . Autotrophs are a vital part of the food chain . They take energy from the sun or from inorganic sources and ... growth; and that other organisms (called heterotrophs ) can utilize as food . Thus, heterotrophs — animals , fungi , as well as most ...

Enzyme

... reactions would occur too slowly to sustain life ; oxidation of organic food compounds to provide energy, for instance. Enzymes may speed up ... , trypsin and chymotrypsin . Their primary role is for the digestion of food and making nutrients available to all of the body processes which need ...

Eukaryote

... vacuoles , can form by budding off of other membranes. Many cells ingest food and other materials through a process of endocytosis , where the outer ... For instance, lysosomes contain enzymes that break down the contents of food vacuoles, and peroxisomes are used to break down peroxide which is ...

Extinction

... of years, such as when a species gradually loses out competition for food to newer, better adapted competitors. Genetic and demographic causes ... species for limited resources. Vital resources including water and food can also be limited during habitat degradation, causing some species to ...

Fungus

... 8 External links Human consumption Some fungi are popular as food : Shiitake mushrooms , white mushrooms , puffballs , Morels, truffles ... the substrate (food source) called the mycelium , through which food is absorbed. Usually the most conspicuous part of any fungus are its ...

Glucose

... form ( D -glucose) is also referred to as dextrose , especially in the food industry. A Haworth projection representation of the structure ... body's key source of energy, providing 4 calories (17 kilojoules ) of food energy per gram . Breakdown of carbohydrates (e.g. starch ) yields ...

Photosynthesis

... plants Plants are autotrophs , which means they are able to synthesize food directly from inorganic compounds, instead of eating other organisms or ... water. Thus the basic reaction by which photosynthesis is used to produce food (such as glucose) was outlined. Modern scientists built on the ...

Leaf

... , transpiration , and guttation take place. Leaves can store food and water , and are modified in some plants for other purposes. The ... ) Leaves to trap insects (e.g. pitcher plant ) Bulbs to store food (e.g. onion ) See Also Cuneate Leaf blower Vernation ...

Origin of life

... lend significant credence to this theory. He also noted that a trickle of food from a deep, unreachable, source promotes survival because life arising in a puddle of organic material is likely to consume all of its food and become extinct. "Primitive" extraterrestrial life An ...

Photosynthesis

... plants Plants are autotrophs , which means they are able to synthesize food directly from inorganic compounds, instead of eating other organisms or ... water. Thus the basic reaction by which photosynthesis is used to produce food (such as glucose) was outlined. Modern scientists built on the ...

Alga

... habitats. Microscopic forms, called phytoplankton , provide the food base for marine food chains . Phytoplankton can be present in high densities, called algal ...

Plant

... and chloroplasts containing chlorophylls a and b , and store food in the form of starch . They undergo closed mitosis without centrioles ... fungi are not photosynthetic, but are saprophytes : they obtain their food by breaking down and absorbing surrounding materials. Most fungi are ...

Plant

... and chloroplasts containing chlorophylls a and b , and store food in the form of starch . They undergo closed mitosis without centrioles ... fungi are not photosynthetic, but are saprophytes : they obtain their food by breaking down and absorbing surrounding materials. Most fungi are ...

Protein

... more. Human bodies can make use of all the amino acids they extract from food for synthesizing new proteins, but the inessential ones themselves need ... it only refers to the amount of complete proteins in the food, though the food may be very strong in a subset of the essential amino acids. Animal ...

Selective serotonin reuptake inhibitor

... most cited example. Tryptophan was also sold as a suppliement in health food stores until a contaminated shipment, which resulted in 1500 cases of eosinophilia-myalgia syndrome and over 30 deaths, prompted the United States food and Drug Administration to ban it as an over-the-counter nutrient. As a ...

Starch

... USA are corn , potatoes , rice , and wheat . As an additive for food processing you will find; arrowroot , guar gum , locust bean , and ... to thicken chilled foods. This is referred to on packaging as modified food starch . Agar , carrageenan , gelatins and pectins are used in very ...

Vacuole

... cells where they serve a variety of different functions: capturing food materials or unwanted structural debris surrounding the cell, sequestering ... Vacuoles in protists Some protists and macrophages use food vacuoles in phagocytosis —the intake of large molecules, ...

Vitamin

... Q10), Journal of Orthomolecular Medicine 2000; 15(2):63-68. Health food and whole food news and views from around the web. ...

Amino acid

... 163 Tyr X - - X - - - X - 141 Uses of substances derived from amino acids Monosodium glutamate is a food additive to enhance flavor. L-DOPA (L-dihydroxyphenylalanine) is a drug used to treat Parkinsonism . 5-HTP (5-hydroxytryptophan) has been ...

Antibiotic resistance

... resistance include incorrect diagnosis, unnecessary prescriptions, improper use of antibiotics by patients, and the use of antibiotics as livestock food additives for growth promotion. Resistant pathogens Staphylococcus aureus (colloquially known as "Staph aureus") is one of the major ...

Reproduction

... , reproduction can refer to the worker's daily reproduction of his own labor capacity. This consists of the tasks of everyday existence — food preparation, laundry and so forth — that maintain him and his ability to show up at his job as required. Much of this domestic labor has ...

Bacterium

... skin surfaces, in the intestinal tract, in the mouth, nose, and other body openings. They are in the air one breathes, the water one drinks, and the food one eats. The great antiquity of the bacteria has enabled them to evolve a great deal of genetic diversity. They are far more diverse than, say, ...

Blood

... disorders , may have been the source of vampire legends. See also Artificial blood List of human blood components Blood as food : see black pudding Blood and video game censorship ...

Cancer

... exogenous estrogens, exposure to ionizing radiation and ultraviolet radiation, certain occupational and chemical exposures, and infectious agents. food and nutrient intake have been examined in relation to many types of cancer. Fruit and vegetable consumption have generally been found in ...

Drug

... use of alcohol as a depressant or caffeine as a stimulant) may be. Depending on the definition used, the same substance may even be considered both a food and a drug at the same time. The term "medication" is frequently applied to drugs used for medical treatment, presumably to avoid confusion with ...
Other Contents
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