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Ch 8 (Sec 8.1&8.2)
Photosynthesis
Question | Answer |
---|---|
Adenosine Triphospate (ATP) | compound used by cells to store and release energy |
Heterotroph | organism that obtains food by consuming other living things; also called a consumer |
Autotroph | organism that is able to capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer |
Photosynthesis | process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that produce carbohydrates |
Pigments | light-absorbing molecules used by plants to gather the sun’s energy |
Chlorophyll | Main pigment of plants and other photosynthetic organisms |
Thylakoid | saclike photosynthetic membranes found in chloroplasts |
Stroma | fluid portion of the chloroplast; outside of the thylakoids |
NADP+ | carrier molecule that transfers high-energy electrons from chlorophyll to other molecules. |
Light dependent reactions | set of reactions in photosynthesis that use energy from light to produce ATP and NADPH |
Light independent reactions | set of reactions in photosynthesis that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar; also called the Calvin cycle |