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Exploring Life
Biology-Chapter 8 Vocabulary
11
Biology
11th Grade
12/12/2011

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Term
Stroma
Definition
thick flule contained in the inner membrane of a chloroplast.
Term
Thylakoids
Definition
disk-shaped sac in the stroma of a chloroplast; site of the light reactions of photosynthesis
Term
Light reactions
Definition
chemical eactions that convert the sun's energy to chemical energy; take place in the membranes of thylakoids in the chloroplast.
Term
Calvin cycle
Definition
cycle in plants that makes sugar from carbon dioxide, H+ ions, and high-energy electrons carried by NADPH.
Term
Wavelength
Definition
the distance between two adjacent waves.
Term
Electromagnetic spectrum
Definition
the range of tyopes of electromagnectic energy, from the very short wavelengths of gamma ays to the very lon wavelengths of radio waves.
Term
Pigments
Definition
chemical compound that determines a substance's color.
Term
Paper chromatography
Definition
laboratory technique used to observe the different pigments in a material.
Term
Photosystems
Definition
cluster of chloryphyll and other molecules onn a thylakoid.
Term
Carbon Cycle
Definition
process by which carbon moves from inorganic to organic coumpounds and back.
Term
Greenhouse effect
Definition
process by which atmospheric gases trap heat close to Earth's surface and prevent it from escaping into space.
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