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Biology Vocabulary
Photosynthesis and Cellular Respiration
| Term | Definition |
|---|---|
| ADP (Adenosine diphosphate) | a high energy molecule similar to ATP but with one less phosphate, is generally produced either by dephosphorylation of ATP |
| Aerobic | Process that requires oxygen |
| Anaerobic | Process that does not require oxygen |
| ATP (adenosine triphosphate) | Molecule that serves as the primary energy carrier within cell; it stores chemical energy and releases it when needed to power various biological processes. |
| Calvin Cycle | Another name for the light-independent reactions of photosynthesis |
| Cellular Respiration | the metabolic process that releases energy by which cells break down food molecules, like glucose, to produce usable energy in the form of ATP (adenosine triphosphate) |
| Chlorophyll | Chlorophyll is the natural green pigment found in plants and algae, and some bacteria that absorbs sunlight to fuel photosynthesis. |
| Electron transport chain | a series of protein complexes and organic molecules embedded in a cell membrane that pass electrons from one molecule to another to help create cellular energy. |
| Fermentation | a natural metabolic process where microorganisms like yeast and bacteria break down sugars and carbohydrates without using oxygen. |
| Glycolysis | the metabolic pathway that converts one molecule of glucose into two molecules of pyruvate, releasing energy to form a net gain of two ATP molecules. |
| Krebs cycle | a series of chemical reactions that cells use to break down food molecules and release stored energy. |
| Lactic Acid | an organic acid produced in the body when cells break down carbohydrates for energy produced mainly by the breakdown of glucose under anaerobic conditions. |
| Light-Dependent reactions | the first stage of photosynthesis that converts sunlight into chemical energy, producing ATP and NADPH while releasing oxygen. |
| Light-Independent reactions | a stage of photosynthesis that converts carbon dioxide into sugar molecules without needing direct sunlight |
| NADP+ | Carrier molecule that transports high energy electrons from chlorophyll to other molecules |
| Photosynthesis | the process used by plants, algae, and some bacteria to turn sunlight, water, and carbon dioxide into sugar and oxygen. |
| Pyruvate | Final product of glycolysis and is produced from the splitting of glucose; goes on to be used in the krebs cycle |
| Thylakoid | sac like photosynthesis membranes found in chloroplast where the light-dependent reactions of photosynthesis take place |
| Stroma | Outside of the Thylakoids the supporting structural tissue or fluid that holds the working parts of an organ, cell, or plant structure together. |