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| Pregunta | Respuesta |
| What is Cellular Respiration? | A series of metabolic pathways that causes the release of energy and regenerates ATP |
| ATP | Adenosine and three inorganic phosphates |
| How is energy released from ATP molecule? | The bond attached to the terminal phosphate is broken by enzyme action |
| Terminal Phosphate | Phosphate at the end of the ATP phosphate chain |
| Phosphorylation | Enzyme controlled process by which a phosphate group is added to a molecule |
| What happens when Glucose is broken down during Respiration? | Releases energy that is used to synthesis ATP from ADP and Pi |
| Glycolysis | takes place in the Cytoplasm, a molecule of glucose is broken down into two pyruvate molecules, does not require energy |
| Energy Investment Phase | 2 ATP's are needed to start the process |
| Energy Payoff Phase | 4 ATP's are produced meaning a net gain of 2 ATP for the first half of respiration |
| When do the two phosphorylations take place in EIP? | Step 1 and 3 |
| Step 3 | Phosphofructokinase is the enzyme which catalyses it, irreversible |
| What happens during the phosphorylation steps? | a molecule of ATP is converted to ADP and a phosphate group is added to the substrate molecule |
| Dehydrogenase | releases Hydrogen ions from the substrate |
| Hydrogen Ions | Added to a co-enzyme called NAD and becomes NADH |
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