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PHOTOSYNTHESIS

biology II-12

TermDefinition
Light Dependent Reaction Chlorophyll molecules in photosystems that captures light energy and transfers the energy to ATP and carrier molecules
Light Independent Reaction Reactions to build carbohydrates from carbon dioxide and water using energy captured during the light dependent reactions
Calvin Cycle Another name for light independent reactions
Chloroplast Organelle in plants where photosynthesis occurs
Thylakoid Stacks of membrane bags in chloroplasts where chlorophyll is embedded; site of light reaction
Stroma Fluid surrounding thylakoids; site of light independent reaction
Photosystem Collection of light capturing molecules found in thylakoids
Chlorophyll Main light capturing molecule for photosynthesis; reflects green wavelengths
Carrier Molecules Special molecules capable of moving high energy electrons around the cell
Heterotrophs (hetero= other, troph= nutrition) Organisms that obtain energy by eating other organisms or their products
Photosynthesis (photo= light, syn= join) Series of chemical reactions that use light energy to convert water and carbon dioxide into high energy carbohydrates, autotrophs only
Cell Respiration Chemical reactions to transfer energy stored in sugars and other food to ATP; releases carbon dioxide
ATP (adenosine TRIphosphate) Temporary high energy molecule for cell fuel with three phoshates
ADP (adenosine diphophate) Stable lower energy molecule with two phosphates; is converted to ATP
Created by: strawend