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Chapter 8 - Biology

Study guide

QuestionAnswer
Absorption Spectrum A way to view which wavelengths a pigment absorbs and which it reflects (chlorophylls and carotenoids)
Autotroph Plants, algae, and photosynthetic bacteria
Calvin Cycle NADPH and ATP from the light dependent reactions are used to power the synthesis of organic molecules such as G3P and sugar
Carotenoid Absorbs blue and green light, where it reflects yellow, orange, or red
Chemoautotroph bacteria that makes food/energy from inorganic chemicals and not from sunlight. Usually found in hot vent deep under the ocean
Chemiosmosis generate ATP
Chlorophyll (a and b) Absorb blue and green light, reflects green and yellow lights
Chloroplast cell organelle
Electromagnetic Spectrum range of all possible wavelengths of electromagnetic radiation
Electron Transport Chain electrons (and energy) are passed along
Heterotroph Animals, fungi, and heterotrophic bacteria
Light Harvesting Complex gathers energy where it absorbs a photon of lights, add anergy to the chlorophyll molecules, then transfer this energy from pigment to pigment until the energy reaches the reaction center
Light-Dependent reaction takes place on the thylakoid membrane, converts solar energy (kinetic) into chemical energy (ATP and NADPH)
Mesophyll enabling efficient light absorption and gas exchange
Oxidation loses a electron
Photon Light packets of energy
Photosystem I is the second to collect light energy
Photosystem II is the first to collect light energy
Pigment molecules that absorb some wavelengths of light and reflect other
Primary electron acceptor energy moves with the electron, water will be split near PSII to replace the lost electrons
Reaction Center electron excitement and transfer
Reduction adds a electron
Stroma sytheszing organic molecules form carbon dioxide and water
Thylakoid facilitate light-dependent reaction, converting light energy into chemical energy
Thylakoid Lumen generation of ATP and NADPH and the photolysis of water which releases oxygen
Created by: Khanlena
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