127 results found

Search Results for: pigment

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Pigment

pigment 1. Any material from which a dye, a paint, or the like, may be prepared; particularly, the refined and purified... Read More

Accessory pigment

Definition noun, plural: accessory pigments A non-chlorophyll pigment inside the chloroplast of photosynthetic organisms,... Read More

Wear-and-tear pigment

Definition noun Lipogenic pigment accumulating in the cytoplasm of aging or atrophic cell, as a result of lysosomal... Read More

Photopigment

photopigment (Science: plant biology) pigment involved in photosynthesis in plants. Includes chlorophyll, carotenoids and... Read More

Specific absorption coefficient

Definition noun A factor that measures the absorbance of light per unit of path length (of the spectrophotometer cuvette,... Read More

Carotenoid

Definition noun, plural: carotenoids (botany) Any of the pigment molecules, typically yellow, red, and orange, that interact... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Phycobilin

Definition noun, plural: phycobilins A water-soluble accessory pigment found in red algae and... Read More

Melanosome

Definition noun, plural: melanosomes An organelle in pigment cell that synthesizes and stores melanin Supplement A... Read More

Melanin

Definition noun A group of insoluble pigments found in melanophores and produced from the oxidation of tyrosine, followed by... Read More

Melanocyte

Definition noun, plural: melanocytes A type of pigment cell that, in particular, produce melanin, and occurs in the... Read More

Plastid

Definition noun, plural: plastids A double membrane bound organelle involved in the synthesis and storage of food, and is... Read More

Albino

Definition noun, plural: albaninos An organism with albinism, which is a condition characterized mainly by a lack of or an... Read More

Albinism

Definition noun A hereditary, congenital disorder characterized by the complete or partial lack of pigmentation production... Read More

Melanophore

Definition noun, plural: melanophores A type of pigment cell that, in particular, produce and store... Read More

Amelanism

Definition noun A condition characterized by the complete lack of pigments (or melanin) Supplement Melanin is a compound... Read More

Lipofuscin

Definition noun, plural: lipofuscins (cell biology) Any of the minute, yellow-brown, lipogenic pigment granules that... Read More

Allele

Allele Definition What are alleles? An allele is a term coined to describe a specific copy of a gene. Genes, the DNA... Read More

Photosynthesis

Definition noun The synthesis of complex organic material using carbon dioxide, water, inorganic salts, and light energy... Read More

Etioplast

Definition noun, plural: etioplasts (botany) A plastid that developed in darkness or under low light conditions Supplement A... Read More

Neuromelanin

Definition noun A type of melanin pigment present in parts of the brain, particularly in the neurons of substantia nigra and... Read More

Melanism

Definition noun The condition wherein an unusually high amount of melanin is produced and deposited resulting in the dark... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Leucoplast

Definition noun, plural: leucoplasts A plastid lacking photosynthetic pigments and involved in various biosynthetic... Read More

Algae

Algae are photosynthetic organisms that possess photosynthetic pigments such as chlorophyll. However, they lack true roots,... Read More

Pheomelanin

Definition noun A type of melanin pigment that is made up of benzothiazine units and is responsible for yellow and pink to... Read More

Leaf

Leaf Definition (botany) A plant organ that is specialized for photosynthesis. Collectively, it constitutes foliage.... Read More

Chromatophore

Definition noun, plural: chromatophores A pigment-containing cell or light-reflecting structure, especially found in fish,... Read More

Proplastid

Definition noun, plural: proplastids A small, colourless organelle that gives rise to a plastid (e.g. chloroplast,... Read More

Yellow

yellow being of a bright saffronlike colour; of the colour of gold or brass; having the hue of that part of the rainbow, or... Read More

Permanent Tattoo Means Permanent Immune Action Of Macrophages

Have you ever wondered why a permanent tattoo seemed to last forever? A simple assumption would be is that the ink could... Read More

Vermilion

vermilion 1. (Science: chemistry) A bright red pigment consisting of mercuric sulphide, obtained either from the mineral... Read More

Golden algae

In phycology, the golden algae are algal species that are found mostly in freshwater. They are also called the chrysophytes.... Read More

Red algae

The red algae belong to the phylum Rhodophyta which literally was derived from the Greek word ῥόδον (rhodon), meaning... Read More

Chloroplast

Chloroplast Definition What is chloroplast? In biology, a chloroplast refers to the organelle found within the cell of... Read More

photobiology

Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More

Chromoplast

Definition noun, plural: chromoplasts Any of the coloured plastids associated with pigment synthesis and... Read More