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photosynthesis 6CO2 + 6H2O + light --> C6H12O6 + 6O2 Conversion of light energy from the sun into chemical energy.
chloroplast An organelle found in plant and algae cells where photosynthesis occurs
chlorophyll Green pigment in plants that absorbs light energy used to carry out photosynthesis
light dependent reaction the process in which water, ADP, and NADP+ uses light energy to make oxygen, ATP, and NADPH
Calvin cycle (light independent reaction) Set of reactions in photosynthesis that do not require light; energy from ATP and NADPH us used to build high-energy compounds such as sugar; also called the Calvin Cycle
stroma The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water.
autotroph An organism that makes its own food
heterotroph An organism that cannot make its own food.
thylakoid A flattened membrane sac inside the chloroplast, used to convert light energy into chemical energy.
grana stacks of thylakoids
pigment A colored chemical compound that absorbs light, producing color.
guard cells control the opening and closing of stomata
stomata A microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant.
metabolism All of the chemical reactions that occur within an organism
cellular respiration the metabolic processes whereby certain organisms obtain energy from organic moelcules
carbon fixation the synthesis of organic compounds from carbon dioxide, such as in photosynthesis
Created by: kmaddix



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