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What is Pigment? A pigment is a material that changes the colour of reflected or transmitted light as the result of wavelength-selective absorption. In other words, it’s a substance that appears a certain colour because it selectively absorbs certain wavelength of light. The primary purpose to ...
What is a plant pigment that absorbs sunlight? What are the two sets of enzymes in the thylakoid membrane? What do they do? What is NADPH used for in humans? In photosynthesis, which compartment has a lower pH: the stroma or the thylakoid space?
What is pigmentation? Pigmentation is caused by the distribution of melanin, a black or brown pigment molecule, under your skin. This pigment exists to protect your skin cells from the sun, and everybody has it. But normally, we don’t notice a nice, even distribution of melanin. We just...
They are usually evenly pigment- ed. Giant congenital melanocytic nevi present as dark brown to black plaques, often with a verrucous or cobblestoned surface over time. Color variation is common in these lesions, and hy- pertrichosis often is present.Other possible differential diagnoses include...
What is a light absorbing pigment?Question:What is a light absorbing pigment?What are Plastids?Plastids are double membrane-bound organelles found in plants and algae. Plastids aid in plant metabolism and thus help the plant proliferate and grow. They also help in storing the food that plant ma...
There is a outer layer, a middle layer and a layer of mostly fat.The outer layer is thin, but tough. It acts like a brick wall to keep out germs.The middle layer has the pigment that gives my skin colour. Pigment helps protect skin from harmful r 5 from the Sun. The middle l...
So could it be that Earth really is unique? All living things on Earth are made of the same building blocks, long carbon-based molecules.所以地球真的是独一无二的吗？地球上所有的生物都有着相同的组成成分，即长碳基分子。Scientists now think that a large proportion of these molecules came from...
And let's consider the extensive traces of a red pigment that were found on the statue's cloak. The cloak is a special garment that was traditionally worn by an emperor on the battlefield. And in real life it was a red color, which to the Romans, signified the emperor's authority, ...
red pigment anthocyanin yellow pigments flavones and flavonols ___ is NOT a flavonoid chlorophyll Flavonoids are ___. (pick one: phenolics, terpenoids, alkaloids) phenolics ___ ( a phenolic) are important herbivore deterrents- bitter- abundant in woody plant leaves, acorns, unripe fruit, grapes...