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Much of Larkum's research has been on marine algae, seagrasses [3] and coral reef. ... in particularly to the theory of chromatic adaptation in algae.
In green light the distal portions of the rods are made of red colored phycoerythrin, which absorbs green light better. In red light, this is replaced by blue colored phycocyanin, which absorbs red light better. This reversible process is known as complementary chromatic adaptation.
This process of "complementary chromatic adaptation" is a way for the cells to maximize the use of available light for photosynthesis. ... Edible blue-green algae ...
Chromatic adaptation is the human visual system’s ability to adjust to changes in illumination in order to preserve the appearance of object colors. It is responsible for the stable appearance of object colors despite the wide variation of light which might be reflected from an object and observed by our eyes.
The eyespot apparatus (or stigma) is a photoreceptive organelle found in the flagellate or (motile) cells of green algae and other unicellular photosynthetic organisms such as euglenids. It allows the cells to sense light direction and intensity and respond to it, prompting the organism to either swim towards the light (positive phototaxis ...
They are one of the most easily identifiable of whale species because of their melon-shaped heads and white coloring, an adaptation thought to help them camouflage themselves against sea ice in ...
Chlamydomonas reinhardtii is a single-cell green alga about 10 micrometres in diameter that swims with two flagella.It has a cell wall made of hydroxyproline-rich glycoproteins, a large cup-shaped chloroplast, a large pyrenoid, and an eyespot apparatus that senses light.
“RuPaul’s Drag Race UK” winner James Lee Williams, better known by their stage name The Vivienne, has died. They were 32. Williams’ death was confirmed by their manager Simon Jones, who ...