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Chapter 9
Cellular Respiration BSC1010
| Question | Answer |
|---|---|
| What step turns pyruvate into acetyl? | A decarboxylation step. |
| What energy molecule is ONLY produced in the Kreb's Cycle? | FADH2 |
| Combined oxidation/reduction reactions are called: | redox reactions |
| Is oxygen reduced or oxidized at the end of the ETC? | Reduced (to form water with H+) |
| What two gradients exist in the ETC? | Charge and H+ concentration gradients |
| Glycolysis is not considered part of respiration, because it occurs in the ____. | Cytoplasm of the cell. |
| Reactant gas of respiration is: | Oxygen |
| Which type of fermentation is used by muscle cells occasionally? | Lactic Acid (Lactate) Fermentation |
| What is common to aerobic respiration and both fermentation types? | Glycolysis is the first step. |
| What molecules are recycled in the Kreb's cycle? | Oxaloacetate and Coenzyme A |
| NADH unloads _____ and _____ at the ETC. | H+ and electrons |
| The end products of glycolysis are _______. | Two molecules of pyruvate. |
| The uneven distribution of ______ drives the formation of ATP in the ETC. | H+ (Hydrogen ions) |
| The 2C acetyl + oxaloacetate makes ______. | Citrate |
| The NET number of ATP produced in glycolysis. | 2 ATP |
| How many carbons in acetyl? | 2C |
| What is decarboxylation? | The loss of a carbon as carbon dioxide. |
| What are the 3 parts of aerobic respiration? | Glycolysis, the Kreb's Cycle, and the ETC Note: Including Glycolysis in this. |
| This is the organelle in which aerobic respiration occurs. | The Mitochondria |
| How many ATP's formed in the ETC alone? | 32 |
| How many ATP's are produced in both fermentation pathways? | 2 ATP only |
| How many carbons in citrate? | 6C |
| What type of anaerobes can manage with or without oxygen? | Facultative Anaerobes |
| Glycolysis is the splitting of _______. | Sugar |
| The energy currency of the cell is: | ATP |
| How many ATP's are obtained per NADH in the ETC? | 3 |
| What type of anaerobes cannot tolerate oxygen? | Strict Anaerobes |
| The total number of ATP produced in aerobic respiration per glucose. | 36 ATP |
| The GROSS number of ATP produced in glycolysis. | 4 ATP |
| Which fermentation has a decarboxylation step? | Alcohol Fermentation |
| What does phosphorylation mean? | The process of adding a phosphate to something. |
| What happens to the carbons in pyruvate by the end of the Kreb's cycle? | They are all given off as carbon dioxide. |
| What type of phosphorylation occurs in glycolysis? | Substrate Level Phosphorylation |
| Product gas of respiration is: | Carbon Dioxide |
| What is the final electron acceptor in the ETC? | Oxygen |
Created by:
mikec35-pbsc
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