AS Biology Photosynthesis Definitions Flash Cards

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Flashcards by gordonbrad, updated more than 1 year ago
gordonbrad
Created by gordonbrad over 6 years ago
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AS Biology Photosynthesis Definitions Flash Cards

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Question Answer
Autotrophs Organisms that use light energy or chemical energy and inorganic molecules to synthesise complex organic molecules
Heterotrophs Organisms that ingest and digest complex organic molecules, releasing the chemical potential energy stored in them.
Photosynthetic Pigments Molecules that absorb light energy.
Photophosphorylation the making of ATP from ADP and Pi in the presence of light.
Electron Carriers Molecules that transfer electrons.
Electron Acceptors Chemicals that accept electrons from another compound.
Light-Dependent Stage Where carbon dioxide is fixed and used to build complex organic molecules.
Limiting Factor A factor that is present at the lowest or least favourable value.
Photosynthometer Instrument used to measure the rate of photosynthesis by collecting and measuring the volume of oxygen produced in a certain time.
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