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pigment at biology dictionary
...h, among other things, predisposes the patient to pigment ed lesions on areas of the skin exposed to the sun and an elevated incidence of skin cancer . Full article >>> Xeroderma pigmentosum is a genetic disease in which some repair enzymes do not function. Organ ization of DNA Ch...xanthophyll yellow-orange carotenoid pigment of certain higher plant s, especially leaves; al...ophyll s ( origin ally phylloxanthins) are yellow pigment s of oxycarotenoid type, from the carotenoid group. They are found in the leaves of most plant s an......). For examples, see Kajiwara , 1994 ( retinitis pigment osa ... Full article >>> LANL researchers localize d 13% of their unlinked contig s by hybrid izing to half the 90 BACs supplied by Korenberg's group. Her team also sent BACs to scientists studying chromosomes 12, 19, and 22. F......d contains chlorophyll b as its major accessory pigment . Full article >>> (See the Proteins and Proteomics unit.) In 2003 Roderick MacKinnon and his colleagues used this technique to ex amine the structure of a voltage-gated potassium channel from a unicellular archaea. Full articl......ble stacks of coins. Chlorophyll and carotenoid pigment s are located in the membranes of the thylakoid... sac of membrane in a chloroplast that contains pigment and carries out the light-gathering reactions of photosynthesis ... Full article >>>......ble stacks of coins. Chlorophyll and carotenoid pigment s are located in the membranes of the thylakoi... sac of membrane in a chloroplast that contains pigment and carries out the light-gathering reactions of photosynthesis ... Full article >>>......e >>> Phycobilins are water-soluble pigment s, and are therefore found in the cytoplasm , or in the stroma of the chloroplast . They occur only in Cyanobacteria and Rhodophyta . Full article >>> portion of the placenta upon implantation into the endometrial epithelium o......sticky tip of a pistil . Or, the dense region of pigment s found in many photosynthetic protist s which is sensitive to light, and thus functions somewhat like a miniature eye.More info? stipe -- A scientific term for " stalk ". Full article >>> Stigma tization of eugenics in the post-......at their sensitive parts are buried in a layer of pigment ed epithelium. Full article >>> A stalk -like connection between somite s and lateral plate mesoderm which anteriorly forms the pronephos and posterior ly forms mesen chyme which develops into the mesonephros and metanephros. S...... melanocytes: skin cell s that contain the black pigment , melanin. In human s, melanocytes are responsible for moles, freckles, and suntan (and, if they turn cancer ous, melanoma). Full article >>> The cell wall s of these onion skin cell s can be easily seen. Nucleus The nuclei can b......lls us that chlorophyll s are the most important pigment s in the process. Full article >>> The similarity between intracellular mitochondria and free-living bacteria is striking. Full article >>> : A similarity due to convergent evolution (common function) but not ......2;> [Gk. rhizoma, mass of roots ] A visual pigment consisting of retina l and opsin. When rhodopsin absorbs light, the retina l changes shape and dissociates from the opsin, after which it is converted back to its origin al form. ribonucleic acid ( RNA ) ... Full article >>> ce...... Algae Red algae have large amounts of the red pigment phycoerythrin, range from unicellular to multic...e >>> Phycobilins are water-soluble pigment s, and are therefore found in the cytoplasm , or in the stroma of the chloroplast . They occur o...rhodopsin : a light-sensitive pigment of the eye that functions in the detection of lig...2;>> Rhodopsin is the light-absorbing pigment of the rods. It is incorporated in the membranes of disks that are neatly stacked (some 2000 of t......ontaining vascular tissue . rhodopsin A visual pigment contained in the rods of the retina in the eye.. Full article >>> rhizome [Gk. rhizoma, mass of roots ] In vascular plants , a horizontal stem growing along or below the surface of the soil; may be enlarged for storage or may ...... various diseases. rhodopsin : a light-sensitive pigment of the eye that functions in the detection of light. ribonucleic acid : see RNA . Full article >>> RFLP is one of the origin al applications of DNA ana lysis to forensic investigation. With the development of newer, more effic......ndness. Full article >>> Retinitis pigment osa -- group of hereditary ocular disorders with progressive retina l degeneration. Autosomal dominant , autosomal recessive , and x-linked forms. Retinobla stoma -- a childhood malignant cancer of the retina of the eye. Full article ...... various diseases. rhodopsin : a light-sensitive pigment of the eye that functions in the detection of light. ribonucleic acid : see RNA . Full article >>> DNA insert and vector molecule s are digested with two different restriction enzymes to create noncomplementary sticky ends......the process of aerobic metabolism Respiratory pigment . A molecule , polymer, or other complex adapted to bind and trans port oxygen efficiently, usually in a circulatory system (e.g., hemoglobin ) ... Full article >>> Respiration The insect respired by means of air-filled intern......fish, praying mantis) concentrate the screening pigment s of their ommatidia into the lower ends of the pigment cells . Full article >>> Resolution . The smallest amount of change that an instru......group. carotenoids Lipid -soluble photosynthetic pigment s made up of isoprene units. Full article >>> 5' or 3' end The nucleoside residue s which form nucleic acids are joined by phosphodiester linkage s between the 3' C atom of one ribose moiety and the 5' C atom of the next. Fu......2;>> chlorophyll s A family of green pigment s functioning as receptor s of light energy in photosynthesis ; magnesium-porphyrin complexes. chloroplasts Chlorophyll -containing photosynthetic organelles in some eukaryotic cells . Full article >>> If I've been at all clear......last in which sunlight is captured; includes the pigment molecule s, proton pump s, enzymes , coenzymes , and cytochromes . phototropism : the bending and turning of the plant stem toward a light source. Full article >>>...... algae Seaweeds that have a predominance of red pigment s. Full article >>> RNA processing Using these programs to find ORFs in bacteria l genome s is relatively easy. Here, the DNA sequence matches the m RNA . The situation is more complicated for eukaryotic genes, which often cont...... various diseases. rhodopsin : a light-sensitive pigment of the eye that functions in the detection of light. ribonucleic acid : see RNA . Full article >>> restriction fragment length polymorphism ( RFLP ) A heritable difference in DNA fragment length and fragment number; passed fro......cle >>> plastid -- Any of several pigment ed cytoplasm ic organelles found in plant ce...ant cells that function in storage (of food or pigment s) or food production. Term for any double membrane-bound organelle . Full article >>>......roups use chlorophyll a and b as photosynthetic pigment s. In addition, plant s and green algae are the only groups to store starch in their chloroplasts . Full article >>> A plant species in which male and female organ s occur in the same flower of a single individual (compare......f the pituitary gland ; adjusts expansion of the pigment cells (melanophores) of the skin of certain vertebrates , for example, frogs ... Full article >>> Human growth hormone is used to treat dwarfism. It previously took the pituitary gland s from over 50 cadavers to make one dose....... a path. Full article >>> [antenna pigment s] Pilin Pineal gland Pinocytosis PIN proteins Pistil PISTIL LATA (PT) Pituitary gland , ... Full article >>> During this time Linnaeus became convinced that in the stamen s and pistil s of flower s lay the basis for the ......: navigation, search For the drug referred to as " pigment ," see black tar heroin. Full article >>> Pigment In biology , pigment is any material resulting in color in plant or animal cells which is the result of selective ......tem s are arrangements of chlorophyll and other pigment s packed into thylakoids . Many Prokaryotes hav...last in which sunlight is captured; includes the pigment molecule s, proton pump s, enzymes , coenzymes , and cytochromes . phototropism : the bending...... utilizing light energy in photosynthesis . photo pigment A molecule in visual receptor cells (e.g., ...ic electron flow , the electron origin ates in a pigment complex called photosystem I, passes from the primary acceptor to ferredoxin, then to a complex o......r molecule s. phycocyanin -- blue, water-soluble pigment found in the cyanobacteria and the red algae ....2;>> chlorophyll s A family of green pigment s functioning as receptor s of light energy in photosynthesis ; magnesium-porphyrin complexes. ch......hoton s of light that are picked up by any of the pigment molecule s in the antenna pass their energy to nearby pigment molecule s until it is eventually passed to a special molecule of chlorophyll a called the re ......last in which sunlight is captured; includes the pigment molecule s, proton pump s, enzymes , coenzymes , and cytochromes . Full article >>> Weathering of rocks makes phosphate ion s (PO4= and HPO4=) available to plant s through uptake from the soil. The mineral apatite contains a sm......own algae are multicellular, have the accessory pigment fucoxanthin (a brown pigment ), and include the giant kelp that can be over 100 meters long . Full article >>> P......l stimuli. myoglobin The oxygen - trans porting pigment of muscle tissue . Full article >>> [L. primordialis - origin al]. An immature ovarian follicle that will develop into successively more mature follicles as the oocyte matures. Full article >>> Aster microtubules......cle >>> plastid -- Any of several pigment ed cytoplasm ic organelles found in plant cells and other organ isms, having various physiological functions, such as the synthesis and storage of food. Full article >>> One of a family of closely related plant organelles ......#62;> An organelle containing any plant pigment other than chlorophyll . The pigment s may be yellow, orange, or red. Chromoplasts are usually most numerous in the cells of flower s....... the optic nerve . retina l The light-absorbing pigment in rods and cones of the vertebrate eye. Full ar...structures on various organ isms, for example, a pigment ed, vascular, and comblike process that projects into the vitreous humor from the retina at a poin......ate to various parts of the embryo and form the pigment cells in the skin, bones of the skull, the teeth, the adrenal glands , ... Full article >>> neural tube A tube of ectoderm in the embryo that will form the spinal cord . neuromuscular junction The point where a motor neur......xplanation. Full article >>> Blood pigment . A molecule used by an organ ism to trans port oxygen efficiently, usually in a circulatory system (e.g., hemoglobin ) Bloom. (phytoplankton) A population burst of phytoplankton that remains within a defined part of the water column ... ......the process of aerobic metabolism Respiratory pigment . A molecule , polymer, or other complex adapted to bind and trans port oxygen efficiently, usually in a circulatory system (e.g., hemoglobin ) ... Full article >>> Antibiotic A substance that interfers with a particular step......lakoid Closed cisterna , or disc, formed by the pigment -bearing internal membranes of chloroplasts . thymine dimer pyrimidine dimer . tissue culture Method by which cells derived from multicellular organ isms are grown in liquid media. Full article >>> If we interpret thos......nherited nonpolyposis colon cancer , retinitis pigment osa, long QT syndrome, Jackson-Weiss syndrome, Crouzon syndrome, Alzheimer's disease, ... Full article >>> For example, people with Marfan syndrome may be tall, thin, have long legs, arms and fingers, and may be nearsighted. Thei...... the optic nerve . retina l The light-absorbing pigment in rods and cones of the vertebrate eye. Full article >>> For example, to a botanist working with angiosperm s ordinary means might mean a hand lens ; to an entomologist working with beetles it might mean a dissecting microscope ; ......g, recognized by berry softening and beginning of pigment ation in colored varieties. Full article >>>......nt with cirrhosis of the liver and bronzed skin pigment ation, class ic symptoms of HH. Full article >>> Hereditary dis order caused by a mutant allele of a single gene (e.g., Duchenne muscular dystrophy, retinobla stoma , sickle cell disease in human beings). Compare polygenic......Full article >>> hemoglobin A red pigment in red blood cells that can bind with oxygen ...62; hemoglobin An iron-containing respiratory pigment occurring in vertebrate red blood cells and in blood plasma of many invertebrates ; a compoun...... s, they can grow when oxygen is absent. Purple pigment s, known as retina l (a pigment also found in the human eye) act similar to chlorophyll . Full article >>> Halofe......ne copy of each chromosome . hemoglobin : a red pigment that binds oxygen and carbon dioxide molecule s and carries them through the bloodstream. herbivores : animals that eat plant s. Full article >>> Haploid cell . A cell containing only one set, or half the usual ( diploid )......). For examples, see Kajiwara , 1994 ( retinitis pigment osa ... Full article >>> "In the genetic algorithm literature, parameter inter action is called epistasis (a biological term for gene interaction ). When there is little to no epistasis , minimum seeking algorithms [i.e., hill-cli......#62;> An organelle containing any plant pigment other than chlorophyll . The pigment s may be yellow, orange, or red. Chromoplasts are usually most numerous in the cells of flower s.......id bacteria . Curing of meat yields nitrosylhaem pigment s which can act as radical scavengers and protect both the meat pigment and the lipids from oxidation . Full article >>>......2;>> chlorophyll s A family of green pigment s functioning as receptor s of light energy in photosynthesis ; magnesium-porphyrin complexes. chloroplasts Chlorophyll -containing photosynthetic organelles in some eukaryotic cells . Full article >>> Non- Flower ing Plant ......rms have two light-sensitive eyespots that have pigment ation making them look cross-eyed. The presence of three muscle layers facilitates varied movement. Gland cells secrete a mucous material upon which the animal slides or glides. Full article >>> These transverse nerves help c......le >>> They are dependent for their pigment on a set of enzymes within the cell (especially tyrosinase) which synthesise the large polymers generically known as melanin. Full article >>> Symposia vol 70: Proteases and the Regulation of Biological Processes Biochemical Soc......le >>> They are dependent for their pigment on a set of enzyme s within the cell (especially tyrosinase) which synthesise the large polymers generically known as melanin. Full article >>> Symposia vol 70: Proteases and the Regulation of Biological Processes Biochemical S...... Full article >>> The orange-yellow pigment of bile , the green fluid that aids in digestion and that is secreted by the liver . Bilirubin is formed mainly by hemoglobin breakdown at the end of red cell life and eventually most of it leaves the body in the feces. Full article >&#...... Full article >>> Cytochromes are pigment s that contain iron. They are found in two very di...ic electron flow , the electron origin ates in a pigment complex called photosystem I, passes from the primary acceptor to ferredoxin, then to a complex o...
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