Search results
|
|
No page with that title exists You can create an article with this title or put up a request for it. Please search Wikipedia before creating an article to avoid duplicating an existing one, which may have a different name or spelling.
Showing below up to 20 results starting with #1.
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).
Article title matches
- Protein (17280 bytes)
3: ...her proteins play structural or mechanical roles, such as those that form the struts and joints of the...
14: ...]—or segments of chain that [[Random coil|assume no stable shape]]. Secondary structures are loc...
16: ...called ''[[protein subunit|subunit proteins]]'' ''subunits'' in this context, which function as part o...
18: ...nts, these tertiary or quaternary structures are usually referred to as "[[Chemical conformation|confo...
20: ... ionic interactions, and [[disulfide bond]]s are usually involved too.
Page text matches
- Dorothy Crowfoot Hodgkin (1937 bytes)
3: [[Image:HodgkinOM20040420CopyrightKaihsuTai.jpg|200px|thumb|right|Order of Merit medal of ...
5: ...tobacco mosaic virus]], [[vitamin B12]], and [[insulin]]. This latter achievement took her 34 years, ... - Botany (8977 bytes)
9: ...s, [[cell biology|cells]], [[biological tissue|tissues]], [[organ (anatomy)|organ]]s, individuals, pla...
11: ...a, fungi, and algae are usually covered, somewhat superficially, in introductory botany courses.
28: ...s]], come from [[fermentation|fermenting]] plants such as [[hops]] and [[grapes]].
30: ...hout the cultivation of the [[mulberry]] plant. [[Sugarcane]] and other plants have recently been put ...
53: ...al)|cork]]; a short time later in living plant tissue. The German [[Leonhart Fuchs]], the Swiss [[Conr... - Gastrointestinal tract (16596 bytes)
4: The GI tract differs substantially from animal to animal. For instance, ...
51: When we eat such things as bread, meat, and vegetables, they are...
63: ...ever, as the food approaches the closed ring, the surrounding muscles relax and allow the food to pass...
69: ...are propelled into the colon, where they remain, usually for a day or two, until the feces are expelle...
75: ...e to resist the juice, although food and other tissues of the body cannot. - Immune system (14564 bytes)
1: ... organs dedicated to the maintenance of immunity, such as the [[thymus]].
6: ...seful insights into immunology, higher organisms (such as [[mammal]]s) have immune systems of increasi...
8: ...a]], [[parasite]]s), some [[poison]]s, as well as suppressing [[cancer]].
13: ...nt system]], for instance, recognizes [[mannose]] sugars that appear only in the [[polysaccharide]] co...
15: ...[[T cell]]s that directly destroys cells) contain surface-mounted [[T cell receptor|receptors]] that t... - Brain (22060 bytes)
1: ...tem]]. Although the brain is usually cited as the supervisory center of [[vertebrate]] nervous systems...
3: ...tic]] body functions such as heartbeat, blood pressure, fluid balance and body temperature. Functions ...
5: ...s gaps known as [[synapse]]s. Small invertebrates such as [[insect]]s may have a million [[neuron]]s i...
9: ...large ''optical lobes'' behind each [[eye]] for visual processing and a central brain with three divis...
11: ...ains. These convolutions evolved to provide more surface area for a greater number of neurons while k... - Pulmonary alveolus (8193 bytes)
6: ...t of an epithelial layer and extracellular matrix surrounded by capillaries. In some alveolar walls t...
8: ...ype II cells that secrete surfactant to lower the surface tension
10: ...d surfactants, and [[pore]]s help to equalize pressures and prevent collapse.
16: ... to humidification of inspired air by the lung tissues.
18: ...pillaries. However, carbon monoxide is stored in such high concentrations in the blood, due to its st... - Eye (21834 bytes)
1: ...ing two separate "images" ([[monocular vision]]), such as in [[rabbit]]s and [[chameleon]]s.
9: ... a [[transparency (optics)|transparent]] gel-like substance called the [[vitreous humour]], with a foc...
11: ...otosensitive cell(s). Some eyes have up to 28,000 such sensors, which are arranged hexagonally, and wh...
13: ...ds, which have soft eyes. The number of lenses in such an eye varies, however: some trilobites had onl...
15: ...o more. This enables snails to keep out of direct sunlight. - Kidney (12846 bytes)
7: ...kidney is an [[adrenal gland]] (also called the ''suprarenal gland'').
9: ...ertebra]]l level T12 to L3, and the right kidney usually lies slightly lower than the left in order to...
11: ...th and twelfth [[rib]]s, and each whole kidney is surrounded by two layers of fat (the perirenal fat a...
18: ...sule]], which is a layer of [[loose connective tissue]].
24: ...f the glomerulus and the neighbouring Bowman's capsule wall to produce the glomerular filtrate, which ... - Liver (11441 bytes)
5: ...iver lies [[anterior]] to the [[gallbladder]] and superior to the right [[kidney]].
7: The liver is supplied by two major blood vessels: the [[hepatic a...
11: ...[regeneration (biology)|regeneration]] of lost tissue; as little as 25% of remaining liver can regener...
13: ===Surface anatomy===
14: ...natomy divided the liver into four lobes based on surface features. - Thyroid (5421 bytes)
14: ...[[iodine]] (more accurately iodide ions, I<sup>-</sup>) from the bloodstream and concentrate it for pr...
18: ...the thyroid gland can be considerably enlarged, resulting in the swollen necks of endemic [[goitre]].
20: ...r example, administering a thyroid-blocking agent such as propylthiouracil can prevent tadpoles from m...
22: ... thyroid hormone deficiency are easily treated by supplementation with synthetic thyroxine, which enab...
24: ... in the wider world such preventive measures are usually not stockpiled before an accident, nor are th... - Parathyroid gland (1913 bytes)
3: ...crine system|endocrine]] [[gland]]s in the neck, usually located within the [[thyroid]] gland, which p...
14: ...." The primary treatment for this disease is the surgical removal of the faulty lobe. - Adrenal gland (7544 bytes)
1: ...al]]s, the '''adrenal glands''' (also known as '''suprarenal glands''') are the triangle-shaped [[endo...
5: ...drenal gland, while the adrenal cortex covers its surface.
7: ...hesis. Other cortical cells produce [[androgen]]s such as [[testosterone]], while some regulate [[wate...
11: ...d from the [[embryo]]nic [[neural crest]] and, as such, are simply modified [[neuron]]s. In particular...
13: In response to [[stressor]]s such as [[exercise]] or imminent danger, medullary c... - Connective tissue (1646 bytes)
1: ...nnective tissue''' is any type of [[biological tissue]] with an extensive [[extracellular matrix]]. T...
3: ...d extracellular matrix, and functions for general support.
4: * [[Loose connective tissue]] holds organs and epithelia in place, and has a...
5: * [[Fibrous connective tissue]] forms [[ligament]]s and [[tendon]]s.
6: ... cartilage is composed primarily of [[chondroitin sulfate]]. - Epithelium (4397 bytes)
1: ...f blood vessels) or external (e.g. [[skin]]) free surfaces of the body.
14: ...e diffusion of water, [[electrolytes]], and other substances.
15: .... The [[cell nucleus|nuclei]] of these cells are usually located in the center.
16: ...ections called [[microvilli]]. They increase the surface area for absorption.
20: ...uches the [[basal lamina]]. Stratified cells can usually withstand large amounts of stress. - Chromosome (12667 bytes)
14: ...pressed. It is located around the centromere and usually contains repetitive sequences.
188: ...e abnormalities do not cause disease in carriers, such as [[translocations]], or [[chromosomal inversi...
196: ...drome]] (XXY). Men with Klinefelter syndrome are usually sterile. They tend to have longer arms and le...
200: *[[small supernumerary marker chromosome]] - Silk (8683 bytes)
8: ..., the silk trade reached as far as the [[India]]n subcontinent, the [[Middle East]], [[Europe]], and N...
11: ... its production. This effort at secrecy had mixed success. Sericulture reached [[Korea]] around [[200 ...
15: ...he cocoons, which are gathered in the wild, have usually already been chewed through by the pupa or ca...
23: ...the Mediterranean and Middle East by the time the superior, and stronger, cultivated silk from China b...
36: ...ed dramatically and US industry begun to look for substitutes, which led to the use of [[synthetic]]s ... - Process (6114 bytes)
1: '''Process''' (lat. processus - movement) is a naturally occurring or designed...
7: ...hich explains the origin of species. (generally assumed to be an example of a recurrent process)
8: ...an example of a ''divine process''. (generally assumed to be a singular process)
22: ... processing unit|CPU]] core. Some new processors, such as [[Intel]]'s [[Pentium 4]] with [[Hyperthread...
25: ... and managers take to create software. The steps usually include [[requirements analysis]], [[programm... - Legume (2428 bytes)
8: ...that develops from a simple '''[[carpel]]''' and usually '''''dehisces''''' (opens along a seam) on tw...
12: ...s'''. The seeds are used for human and animal consumption or for the production of oils for industria... - Feather (5296 bytes)
5: ...ainst [[predator]]s and sometimes as a means of visual communication. Although individual feathers ar...
7: ...are underneath the vaned feathers, providing an insulating layer. The [[pennaceous feather|pennaceous...
11: Some birds have a supply of [[powder down]]. Powder down feathers grow...
17: ...eathers most likely originated as a filamentous insulation structure, or possibly as markers for matin...
22: ...]]s, not whether birds are dinosaurs. It has been suggested that ''Pedopenna'' is older than ''Archaeo... - Hippopotamus (6778 bytes)
17: ...10 minutes. They feed on land mostly at night, consuming as much as 50 kg (110 lb) of vegetation a day...
19: ...rs old. Hippos are still found in the rivers of [[Sudan]], northern [[Democratic Republic of the Congo...
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).