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Biology
Cellular Respiration
| Term | Definition |
|---|---|
| aerobic cellular respiration | the breakdown of glucose in the presence of O2 |
| reactants: glucose and oxygen products: carbon dioxide, water, ATP | What are the reactants and products of aerobic cellular respiration? |
| 36 ATPs | number of ATPs produced in aerobic cellular respiration |
| Glycolysis Krebs cycle electron transport system | 3 biochemical pathways of aerobic cellular respiration |
| electron transport chain | biochemical pathway of aerobic cellular respiration that yields the most ATPs |
| glycolysis | the breakdown of glucose to pyruvate |
| cytoplasm | where glycolysis occurs |
| 2 ATPs and 2 NADH | net ATP's produced by glycolysis |
| in the matrix of the mitochondria | where the Krebs cycle occurs |
| 2 ATPs | ATP's produced by Krebs cycle |
| acetyl-CoA, oxaloacetate, NAD+, FAD | what's needed for the Krebs cycle to occur |
| in the inner membrane | where the electron transport system occurs |
| 32 ATPs | ATPs produced by electron transport system |
| NADH, FADH2, oxygen, protons (H+), ATP synthesis | what's needed for electron transport system to occur |
| oxygen | ultimately accepts the electrons passing through the electron transport system |
| fermentation | lactic acid in bacteria |
| glycolysis | what biochemical pathway is involved in fermentation |
| 2 ATPs | ATP's produced by fermentation |
| plant cells undergo alcoholic fermentation (ethanol and carbon dioxide) where animals cells develop lactic acid (lactate) | how is fermentation different in plant/animal cells |
| photosynthesis | CO2 and water in the presence of light are used to make a carbohydrate; turns light energy into chemical energy |
| reactants of photosynthesis | CO2, water, light energy |
| products of photosynthesis | glucose, oxygen |
| plants, algae, cyanobacteria (autotrophs) | what organisms photosynthesize? |
| visible light | light used in photosynthesis |
| captures light through chlorophyll a and converts the light to chemical energy to produce ATP and NADPH | how do plants capture light? |
| chlorophyll a | major photosynthetic pigment |
| Pigments of PSII absorb light and energize electrons; electrons of chlorophyll a are lost, and replaced by splitting of water;; electrons move through ETC creating H+ gradient and produces ATP; Electrons passed to PS1 energized by light, then to NADP+ | what takes place during light dependent reactions of photosynthesis? |
| thylakoid | where light dependent reactions of photosynthesis occur in the chloroplast |
| ATP, NADPH, Oxygen | products of light dependent reactions of photosynthesis |
| 1. Carbon Fixation-CO2 attached to an organic compound (RuBP) by Rubisco enzyme 2. PGAL synthesis-PGA is reduced to PGAL using NADPH and ATP 3. Regeneration of RuBP-PGAL molecules rearrange to form RuBP while others combine to form glucose | what takes place during light independent reactions of photosynthesis |
| glucose | produced during light independent reactions of photosynthesis |
| Independent reactions use ATP and NADPH from Dependent reactions | what light independent reactions use from light dependent reactions |
| carbon dioxide fixation | CO2 attaches to an organic compound (RuBP) by Rubisco enzyme |
Created by:
auweb921
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