X1011585547-00108-29350</DOCNO> Light Harvesting EFB530 Plant Physiology Energy-sources, conversion, and work Organisms need energy to oppose the tendency for increasing entropy (randomness) and to do different types of work, such as: synthesis (making more ordered structures) mechanical concentration (concentrating molecules on one side of a membrane) electrical (generating a voltage over space) heat light (=bioluminescence) Some organisms obtain energy from inorganic sources and use that to generate nutritive molecules= autotrophs autotrophs which use light energy (sunlight) are called phototrophs Organisms that derive energy from organic compounds to generate nutritive molecules= heterotrophs heterotrophs utilize organic molecules produced by phototrophs Energy from sunlight is captured by phototrophs and converted to chemical energy energy in chemical bonds can be very stable, mobile, convertible Photosynthesis Photosynthesis is the process of capturing light energy and using it to convert CO 2 and H 2 O into sugars-storing that energy in the chemical bonds of the sugars 1771-Joseph Priestly-discovered that plants could replenish air depleted by animals or candles-reverse of respiration Generalized formula= 6 CO 2 + 6 H 2 O + light -
(mechanical concentration; concentrating; on one side of a membrane) (nutritive molecules= autotrophs autotrophs; use; light energy) (air; depleted; by animals or candles) (heterotrophs heterotrophs; utilize; organic molecules produced by phototrophs) (Energy from sunlight; converted; to chemical energy energy) (phototrophs Organisms; derive; energy; from organic compounds) (Some organisms; obtain; energy; from inorganic sources) (nutritive molecules= heterotrophs heterotrophs utilize organic molecules; can be; very stable) (Energy from sunlight; is captured; by phototrophs) (Some organisms; use; that; to generate nutritive molecules= autotrophs autotrophs) (convertible Photosynthesis Photosynthesis; is; the process of capturing light energy and using it to convert CO 2 and H 2 O into sugars-storing that energy in the chemical bonds of) Context(convertible Photosynthesis Photosynthesis is,List([902, 946))):(Light Harvesting EFB530 Plant Physiology Energy-sources, conversion, and work Organisms; need; energy; to oppose the tendency for increasing entropy (randomness) and to do different types of work, such as: synthesis (making more ordered structures) Context(Light Harvesting EFB530 Plant Physiology Energy - sources , conversion , and work Organisms need convertible Photosynthesis Photosynthesis is,List([32, 946))):(Light Harvesting EFB530 Plant Physiology Energy-sources, conversion, and work Organisms; need energy to oppose; the tendency for increasing entropy) (organic molecules; produced; by phototrophs) (Physiology Energy; [is] Plant [of]; Light Harvesting EFB530)
convertible Photosynthesis Photosynthesis is,List([902, 946)) Light Harvesting EFB530 Plant Physiology Energy - sources , conversion , and work Organisms need convertible Photosynthesis Photosynthesis is,List([32, 946))
mechanical concentration nutritive molecules= autotrophs autotrophs air heterotrophs heterotrophs Energy from sunlight phototrophs Organisms Some organisms nutritive molecules= heterotrophs heterotrophs utilize organic molecules Energy from sunlight Some organisms convertible Photosynthesis Photosynthesis Light Harvesting EFB530 Plant Physiology Energy-sources, conversion, and work Organisms Light Harvesting EFB530 Plant Physiology Energy-sources, conversion, and work Organisms organic molecules Physiology Energy
concentrating use depleted utilize converted derive obtain can be is captured use is need need energy to oppose produced [is] Plant [of]
on one side of a membrane
light energy
by animals or candles
organic molecules produced by phototrophs
to chemical energy energy
energy from organic compounds
energy from inorganic sources
very stable
by phototrophs
that to generate nutritive molecules= autotrophs autotrophs
the process of capturing light energy and using it to convert CO 2 and H 2 O into sugars-storing that energy in the chemical bonds of
energy to oppose the tendency for increasing entropy (randomness) and to do different types of work, such as: synthesis (making more ordered structures
the tendency for increasing entropy
by phototrophs
Light Harvesting EFB530