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14 Cards in this Set

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Photosynthesis
the process by which light energy is converted to chemical energy
Autotrophs
organisms that use energy from sunlight or inorganic substances to make organic compounds
Heterotrophs
organisms that must get energy from food instead of directly from sunlight or inorganic substances. Get energy from food through cellular respiration.
Cellular Respiration
releases the energy in food to make ATP
ATP
delivers energy to cells that they need to carry out activities
NADPH
energy carrier molecule
Pigments
light-absorbing substances that absorb certain wavelengths and reflect all the others. Located in chloroplasts
Chlorophyll
primary pigment involved in photosynthesis, reflects green light
Cartenoids
absorb different wavelengths of light than chlorophyll
Thylakoids
disk-shaped structures
H+
hydrogen ions which are left when chlorophyll molecules take the electrons from hydrogen atoms which are eventually pumped into the thylakoid and then exit
Electron transport chains
a series of molecules that electrons pass through on the thylakoid membrane
Carbon Dioxide Fixation
the transfer of carbon dioxide to organic compounds
Calvin Cycle
a series of enzyme-assisted chemical reactions that produces a three-carbon sugar