"Pigment" Essays and Research Papers

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    Vitiligo

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    Vitiligo Vitiligo is a condition that causes depigmentation of parts of the skin. It occurs when skin pigment cells die or are unable to function. The cause of Vitiligo‚ aside from cases of contact with certain chemicals‚ is unknown‚ but research suggests it may arise from autoimmune‚ genetic‚ oxidative stress‚ neural‚ or viral causes. The incidence worldwide is less than 1%‚ with some populations averaging between 2-3% and as high as 16%. Signs and symptoms The only symptom of Vitiligo is the presence

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    of photosynthesis release oxygen as a byproduct. the reaction of this process: Chlorophillian pigment 6H2O + 12CO2 + S.E -----------------------> C6H12O6+ 6O2 + 6H2O Easily‚ we can explain the reaction like 6 molecules of water plus‚ 12 molecules of Carbon Dioxide plus Sun energy‚ cross with chlorophillian pigment‚ in the product we have glucose‚ plus oxygen‚ plus water. We can put so briefly the process saying that the organisms use the energy from

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    Art in the Renaissance era was very influential; this period experienced changes in art‚ new forms of artistic entertainment were introduced‚ and new techniques were developing. In Japan‚ a new style of artwork was beginning to blossom and grow in popularity: Ukiyo-e‚ “Pictures of the floating world.” Typical Ukiyo-e portrayed images of the earth and the arts. One artist‚ Toshusai Sharaku‚ was part of this movement‚ and he was active for less than a year. He created over four-hundred Ukiyo-e prints

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    Exam I Genetics PCB3063 Form 1 Fall 2013 1. Gregor Mendel selected traits which could be easily and unambiguously sorted into two classes. Each trait such as seed shape was first bred into true breeding lines or Parental Cross F1 Phenotype F2 Phenotypic Ratio F2 Ratio Round x Wrinkled Seed Round 5474 Round:1850 Wrinkled 2.96:1 Yellow x Green Seeds Yellow 6022 Yellow:2001 Green 3.01:1 Red x White Flowers Red 705 Red:224 White 3

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    carrying capacity of Ed’s blood? A negative feedback system increases RBC production. If there is cellular oxygen deficiency‚ hypoxia may occur. Case Story‚ Question 6 Jaundice is a condition characterized by a yellowish color to the skin. Which pigments are produced from

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    Pidilite

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    over 54 years‚ the company has a wide variety of product offerings ranging from adhesives and sealants to construction and paint chemicals to automotive chemicals to art materials and industrial adhesives to industrial and textile resins & organic pigments and preparations.  Company has in total 40 brands spanning 400 industrial and consumer products.  Pidilite recorded a revenue growth of 16% from Rs. 2‚748.71Cr. in 2011 to Rs. 3194.03Cr. in 2012 and a growth in net profit of 4.6% from Rs. 308

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    by the same Mendelian model? Part II – Skin Color is a Polygenic Trait Differences in skin color are largely due to differences in the amount of melanin‚ a dark pigment produced by skin cells. There are different variations of melanin‚ eumelanin and phaeomelanin‚ and many enzymes interact in the formation and movement of skin pigments. In an early model (and it still works; although the underlying sequence of enzymatic activity is much more complex) skin coloration was thought to have been controlled

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    haem. Through the phagocytic actions of macrophages present in the CSF‚ the haem is initially broken into biliverdin before the iron compounds are removed‚ and through degradation by enzymes‚ the degradation product bilirubin is produced. This pigment is responsible for producing the yellow-brown appearance in positive CSF samples and is detectable at a wavelength of 476 nm. Through oxidation of the haem group‚ methaemoglobin is sometimes produced after around 10 days following the initial erythrocyte

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    INVESTIGATE A FACTOR AFFECTING THE RATE OF PHOTOSYNTHESIS. Introduction Photosynthesis is a chemical reaction which takes place inside the green plants (plants with chlorophyll‚ a pigment found in chloroplasts which causes the colour of the plants and it is the main photosynthetic pigment) and light energy is converted into chemical energy. Carbon dioxide‚ water and sunlight is transformed into sugar an oxygen‚ which later will be used as energy for the plant. The chemical equation of photosynthesis

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    Okays

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                             ​ e.coli (left) ​ ​ ​ ​ ​k.pneumoniae (right) ​ *TSI ALK/Ag-----Serratia marcecens‚ Salmonella paratyphi A  red slant‚ yellow butt with cracks or agar displacement or bubbles if with: King’s A with red pigment (prodigiosin: non water soluble)  and LIA is P/P ( purple slant and butt)  ------  S. marcecens  ​--------------> ​ ​ if LIA is is P/Y (purple slant with yellow butt) --------- S. paratyphi A ​ ​ *TSI: ALK/AG w/ H2S ---- Proteus

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