Sentences with phrase «pigment molecules»

"Pigment molecules" are substances found in living organisms, such as animals and plants, that give color to their skin, feathers, fur, or certain parts of their bodies. They are like tiny particles that determine what color something is. Full definition
When light hits a painting, some photons are absorbed by pigment molecules, which split apart.
For example, she says that a chemical analysis — looking for actual pigment molecules — is necessary to show for sure that these are pigment cells.
Pupils ordinarily appear black because pigment molecules in the retina absorb light and prevent it from bouncing back out.
Manganese is a micronutrient that the body's cells can handle and forms a very stable complex with the porphyrin, a type of pigment molecule that can help to achieve the necessary properties.
The idea that sulfide - based photosynthesis was important during the Boring Billion is based on one limited data set from drill cores in northern Australia showing pigment molecules associated with sulfide - using bacteria.
In reptiles, amphibians, and other groups, color mostly comes from chromatophores — cells within the skin that hold color - producing pigment molecules.
They broke down an extract from the petals of cornflowers and determined the individual components of the blue pigment molecule.
If you go for red cabbage, you'll also get a healthy dose of anthocyanins (the same pigment molecules that make blueberries blue), another powerful antioxidant with an anticancer punch.
Penetrating photons from the K - laser influence cell chemistry in a variety of beneficial ways by activating or inhibiting pigmented molecules called chromophores.
Infections of ringworm and bacteria on your pet's skin can also lead to a temporary increase in pigment molecules throughout the affected area.
Lentigo is characterized by hyperpigmentation, or an overpopulation of pigment molecules, that turns patches of the dog's skin black.
Those fluctuations showed up at every step in the neurons» functioning, from the unreliable absorption of light by pigment molecules to the sporadic opening of electricity - conducting proteins called ion channels on the neurons» surfaces.
The pigment molecules are bigger and more complex than standard dye molecules.
What happens in detail in the chemical reaction is that a hydrogen ion — a proton — is ejected from the pigment at the same moment the UV light reaches the pigment molecule.
One gene, from Canterbury bells, got the enzyme process started; the other, from butterfly peas, further tweaked the pigment molecules.
In 1919, Shibata suggested that the wavelengths of light absorbed by the pigments might be altered if different metal ions were bonded to the pigment molecules.
A Japanese group, led by Kozo Hayaski of the Tokyo University of Education, isolated blue crystals from flower petals of the spiderwort (Commelina communis) and proposed that the crystals were composed of two pigment molecules, one of which was an anthocyanin and the other a flavone — a yellow pigment — joined to a magnesium metal ion.
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