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Based on the content of that review, they proposed a biological definition of romantic love: [ 1] Romantic love is a motivational state typically associated with a desire for long-term mating with a particular individual. It occurs across the lifespan and is associated with distinctive cognitive, emotional, behavioral, social, genetic, neural ...
G ὑπέρ Βορέᾱ ( hupér Boréā) from the Arctic region ( Hyperborea) glaucous gull, Larus hyperboreus; tundra fleabane, Erigeron hyperboreus. tangle or cuvie, Laminaria hyperborea; estuary beggarsticks, Bidens hyperborea. boreal bur-reed, Sparganium hyperboreum; boreal haircap moss, Polytrichum hyperboreum.
Lysosome. Centrosome. Cell membrane. A lysosome ( / ˈlaɪsəˌsoʊm /) is a single membrane-bound organelle found in many animal cells. [ 1][ 2] They are spherical vesicles that contain hydrolytic enzymes that digest many kinds of biomolecules. A lysosome has a specific composition, of both its membrane proteins and its lumenal proteins.
The line of purples circled on the CIE chromaticity diagram.The bottom left of the curved edge is violet. Points near and along the circled edge are purple. The word violet as a color name derives from the Middle English and Old French violete, in turn from the Latin viola, the name of the violet flower.
The dark markings on both birds are due to the black pigment eumelanin. Biological pigments, also known simply as pigments or biochromes, [ 1] are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.
The Purple Earth Hypothesis (PEH) is an astrobiological hypothesis, first proposed by molecular biologist Shiladitya DasSarma in 2007, [ 1] that the earliest photosynthetic life forms of Early Earth were based on the simpler molecule retinal rather than the more complex porphyrin -based chlorophyll, making the surface biosphere appear purplish ...
The book introduced the concept of frequency-dependent selection, as when edible mimics are less frequent than the distasteful models whose colours and patterns they copy. In the book, Poulton also coined the term aposematism for warning coloration, which he identified in widely differing animal groups including mammals (such as the skunk ...
Although purple is a very noticeable color, it does need to be painted on a fence post in the most visible way. It is recommended to paint the stripe so that it is three to five feet off the ...