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Pigment in Biological Definition

Albinism

... the body from making the usual amounts of a pigment called melanin . There are many genes which ... People with albinism lack this protective pigment in their skin, and can burn easily from exposure ... be out-weighed by the trauma. The lack of pigment in the eye generally leads to ocular photophobia ...

Pigment

... In biology , pigment is any material resulting in color in plant or ... multilayer structures. Unlike structural color, pigment color is the same for all viewing angles. Nearly ... structural color, although many of them contain pigment as well. Creatures that have deficient ...

Halobacteria

... and organic material are available. Large blooms appear reddish, from the pigment bacteriorhodopsin . This pigment is used to absorb light, which provides energy to create ATP . The ...

Light-dependent reaction

... chlorophyll molecule contained within a photosystem (cluster of associated pigment molecules) and excites one of its electrons, which is then captured by a ... In cyclic electron flow, the electron originates in a pigment complex called photosystem I, passes from the primary acceptor to ...

Neuron

... which are assembled into larger neurofibrils . Some neurons also contain pigment granules, such as neuromelanin (a brownish-black pigment, byproduct of synthesis of catecholamines) and lipofuscin (yellowish-brown pigment that accumulates with age). Neurons of the brain The nematode worm ...

Light-dependent reaction

... chlorophyll molecule contained within a photosystem (cluster of associated pigment molecules) and excites one of its electrons, which is then captured by a ... In cyclic electron flow, the electron originates in a pigment complex called photosystem I, passes from the primary acceptor to ...

Xanthophyll

... Xanthophyll (originally phylloxanthin ) is the yellow pigment found in the leaves of most plants . It is involved in ... up the yellow except in autumn . In plants it is considered an accessory pigment , along with anthocyanin , carotene , and sometimes phycoblin . ...

Blood

... crustaceans and mollusks . It is thought that tunicates (sea squirts) might use vanabins ( proteins containing vanadium ) for respiratory pigment (bright green, blue, or orange). In many invertebrates, these oxygen-carrying proteins are freely soluble in the blood; in vertebrates they are ...

Chlorophyll

... Chlorophyll Ancient Greek : chloros = green and phyllon = leaf. It is a green photosynthetic pigment found in plants , algae , and cyanobacteria . The first step in photosynthesis is when incoming light is absorbed by chlorophyll, ionizing it. ...

Photosynthesis

... different in detail. Fallen leaf. Areas where green chlorophyll has been destroyed now appear yellow Plants capture light using the pigment chlorophyll , which gives them their green color . This is contained in organelles (compartments within the cells ) called chloroplasts . ...

Photosynthesis

... different in detail. Fallen leaf. Areas where green chlorophyll has been destroyed now appear yellow Plants capture light using the pigment chlorophyll , which gives them their green color . This is contained in organelles (compartments within the cells ) called chloroplasts . ...

Photosystem

... photosystems ultimately shuffle electrons to a quinone terminal electron acceptor. Structure A photosystem is made up of a reaction center pigment of chlorophyll a and numerous antenna pigments and proteins. Because chlorophyll a can only absorb light of a narrow wavelength , it works with ...

Photosystem

... photosystems ultimately shuffle electrons to a quinone terminal electron acceptor. Structure A photosystem is made up of a reaction center pigment of chlorophyll a and numerous antenna pigments and proteins. Because chlorophyll a can only absorb light of a narrow wavelength , it works with ...

Protein

... produce all the proteins that it needs. Protein deficiency can lead to symptoms such as fatigue, insulin resistance, hair loss, loss of hair pigment (hair that should be black becomes reddish), loss of muscle mass (proteins repair muscle tissue), low body temperature, and hormonal ....

Proton pump

... from high to low concentration across the membrane while drawing energy from this flow to synthesize ATP. Bacteriorhodopsin is a photosynthetic pigment used by archaea , most notably halobacteria . See also: transmembrane ATPase active transport cytochrome mitochondrion ...
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