Pigment example sentences

They vary in colour from olive green to various shades of brown depending upon the amount of the xanthophyll pigment, fucoxanthin present in them.Each photosystem has all the pigments (except one molecule of chlorophyll a) forming a light harvesting system also called antennae (Figureure 1 4).Some simple experiments you may have done in the earlier classes have shown that chlorophyll (green pigment of the leaf), light and CO2 are required for photosynthesis to occur.The large amount of red, brown and other pigments mask the green colour (Figureure 4).During incomplete combustion of alkanes with insufficient amount of air or dioxygen, carbon black is formed which is used in the manufacture of ink, printer ink, black pigments and as filters.Looking at plants have you ever wondered why and how there are so many shades of green in their leaves – even in the same plant? We can look for an answer to this question by trying to separate the leaf pigments of any green plant through paper chromatography.MSH acts on the melanocytes (melanin containing cells) and regulates pigmentation of the skin.The electrons are not used up as they pass through the electron transport chain, but are passed on to the pigments of photosystem PS I.These pigments help to make photosynthesis more efficient by absorbing different wavelengths of light.The liver is affected, skin and eyes turn yellow due to the deposit of bile pigments.Depending on the type of pigment possesed and the type of stored food, algae are classfied into three classes, namely Chlorophyceae, Phaeophyceae and Rhodophyceae.The pigments are organised into two discrete photochemical light harvesting complexes (LHC) within the Photosystem I (PS I) and Photosystem (PS ).Carbon black is used as black pigment in black ink and as filler in automobile tyres.They are usually grass green due to the dominance of pigments chlorophyll a and b.Let us now see what roles various pigments play in photosynthesis.

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