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chapter 6-1
vocabulary
| Question | Answer |
|---|---|
| organisms that use energy from sunlight or from chemical bonds in inorganic substances to make organic compounds | autotroph |
| process by which hautotrophs convert sunlight into chemical energy in the form of organic compounds (mainly carbohydrates) | photosythesis |
| get energy from food | heterotroph |
| light is converted into chemical energy in ATP and the energy carrier molecule NADPH | light reactions |
| organelles found in the cells of plants anmd algae | chloroplast |
| system of membranes that are arranged in flattened sacs | thylakoid |
| thylakoids that are connected and layered to form stacks` | grana (granum) |
| solution surrounding the grana | stroma |
| compounds that absorb light | pigment |
| pigments located in membrane of the thylakoids | chlorophyll |
| type of pigment in thylakoid membrane | carotenoid |
| each cluster of pigment molecules and the pigment proteins that are embedded in them | photosystem |
| the acceptor of the electrons lost from chlorophyll a | primary electron acceptor |
| the primary electron acceptor donates electrons to the first of series of molecules in the thylakoid membrane | electron transport chain |
| part of the light reactions in the process of the sythesis of ATP | chemiosmosis |