Importance of Chlorophyll
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12 Terms
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Photosynthesis
It is a process of plants converting light energy and making sugar
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Pigments
It is found in the chlorophyll of plants which absorbs the light.
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Light energy
Light is a form of electromagnetic radiation, a type of energy that travels in waves.
Other kinds of electromagnetic radiation that we encounter in our daily lives include radio waves, microwaves, and X-rays.
Together, all the types of electromagnetic radiation make up the electromagnetic spectrum.
Other kinds of electromagnetic radiation that we encounter in our daily lives include radio waves, microwaves, and X-rays.
Together, all the types of electromagnetic radiation make up the electromagnetic spectrum.
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Wavelength
It is the distance of a wave from crest to crest. The longer the wavelengths the less energy it carries and the ones with shorter wavelengths carry stronger energy
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Photons
Discrete packets of kinetic energy. All electromagnetic waves have it.
A photon’s wavelength is the distance it moves during a complete vibration.
The shorter the photon’s wavelength, the more energy it contains.
A photon’s wavelength is the distance it moves during a complete vibration.
The shorter the photon’s wavelength, the more energy it contains.
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Visible spectrum
The only part of the electromagnetic spectrum that can be seen by the human eye this includes electromagnetic radiation whose wavelength is between about 400 nm and 700 nm. Visible light from the sun appears white, but it’s actually made up of multiple wavelengths (colors) of light. Red has the longest wavelength and violet has the shortest
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Pigments
Pigments absorb only specific wavelengths of light and the light that are not absorbed are being reflected which gives the organism its color. For instance, plants appear green to us because they contain many chlorophyll a and b molecules, which reflect green light.
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Two groups of pigments that are important in plants
Chlorophylls and carotenoid
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The most abundant is
Chlorophylls
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Accessory pigments
Are energy capturing pigment molecules. Chlorophyll b and carotenoids are accessory pigments in plants.
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What wavelength does chlorophyll a and b absorb
Blue and red. They appear green because it is the wavelength that is absorbed less and reflected
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What wavelength does carotenoids reflect
Reflect longer wavelengths of light, so they appear red, orange, or yellow.
Note 
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