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13 Cards in this Set

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chloroplast
organelle found in some plant cells and certain unicellular organisms where photosynthesis takes place
chlorophyll
pigment that gives a chloroplast its green color; uses light energy to split water molecules during photosynthesis
stroma
thick fluid contained in the inner membrane of a chloroplast
thylakoid
disk-shaped sac in the stroma of a chloroplast; site of the light reactions of photosynthesis
light reactions
chemical reactions that convert the sun's energy to chemical energy; take place in the membranes of thylakoids in the chloroplast
Calvin cycle
cycle in plants that makes sugar from carbon dioxide, H+ ions, and high-energy electrons carried by NADPH
wavelength
distance between adjacent waves
electromagnetic spectrum
range of types of electromagnetic energy from gamma waves to radio waves
pigment
chemical compound that determines a substance's color
paper chromatography
laboratory technique used to observe the different pigments in a material
photosystem
cluster of chlorophyll and other molecules in a thylakoid
carbon cycle
process by which carbon moves from inorganic to organic compounds and back
greenhouse effect
process by which atmospheric gases trap heat close to Earth's surface and prevent it from escaping into space