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19 Cards in this Set

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the process by which light energy is converted to chemical energy
photsynthesis
organisms that use energy from sunlight or inorganic substance to make organic compounds
autotrophs
organisms that must get energy from food instead of directly from sunlight or inorganic substances
heterotrophs
metabolic process similar to burning fuel
cellular respiration
light absorbing substances that absorb only certain wavelengths and reflect all others
pigments
the primary pigment involved in photsynthesis that absorbs mostly blue and red light and reflects green and yellow light
chlorophyll
pigments that produce yellow and orange fall leaf colors as well as the colors of many fruits, vegetables, and flowers
carotenoids
disk-shaped structures that have clusters of pigments embedded in the membrane
thylakoids
series of molecules through which excited electrons are passed along the thylakoids membrane
electron transport chains
an electron carrier that provides the high-energy electrons need to make carbon-hydrogen bons in th third stage of photosynthesis
NADPH
transfer of carbon dioxide to organic compounds
carbon dioxide fixation
series of enxyme-assisted chemical reactions that produces a three-carbon sugar
Calvin Cycle
metabolic processes that do not require oxygen; "without air"
anaerobic
enzyme-assisted anaerobic process that breaks down on-six carbon molecule of glucose to two three-carbon something
glycolysis
metabolic processes that require oxygen
aerobic
electron carrier formed by the breaking down of a glucose and the transfer to an electron acceptor
NADH
series of enxyme-assisted reactions; named for Hans Krebs, 1937
Krebs Cycle
type of electron carrier
FADH2
the recycle of NAD+ using an organic hydrogen acceptor
fermentation