1532704
| Frage | Antworten |
| Cellular Respiration | Is the process that releases energy by breaking down glucose and other food molecules in the presence of oxygen |
| Is cellular respiration the process of converting glucose to ATP? | Yes |
| Cellular Respiration Equation | C6H12O6 + O2 = CO2 + H2O + 38 ATP |
| What are the 2 types of Respiration? | Aerobic Respiration & Anaerobic Respiration |
| Aerobic Respiration requires? | Oxygen |
| Where does Glycolysis occur? | In the Cytoplasm |
| Where does the Krebs cycle occur? | In the mitochondria |
| Does Anaerobic Respiration Require oxygen? | No |
| Where does the electron transport chain occur? | In the mitochondria |
| In how many stages does respiration take place? | 3 main stages |
| Define Glycolysis | Glycolysis is the process in which 1 molecule of glucose is oxidised to produce 2 molecules of pyruvic acid |
| What are the 3 main stages of respiration? | 1. Glycolysis ( anaerobic ) 2. Krebs Cycle ( aerobic ) 3. Electron Transport Chain ( aerobic ) |
| Are 2 ATP used to convert glucose into tto 2 molecules of PGAL | Yes |
| what is formed when each NAD+ accepts a pair of electrons? | NADH |
| 2 molecules of PGAL will be oxidised to produce 2 molecules of _______? | Pyruvic acid |
| What does NADH do with the electrons until they can be transferred to other molecules? | NADH holds the electrons |
| Pyruvic acid is a _______ compound? | Is a 3-carbon compound |
| What does NAD+ help do? | It helps to pass energy from glucose to other pathways in the cells |
| As PGAL is oxidised, 2 molecules of ___ will be reduced to form 2 molecules of _____. These will be used in the ___________ | As PGAL is oxidised, 2 molecules of NAD+ will be reduced to form 2 molecules of NADH These will be used in the Electron Transport Chain |
| Does the oxidation of PGAL also result in the production of 4 ATP? | Yes it does |
| Glycolysis only produces a gain of 2 ATP per molecule of ______? | of Glucose |
| Pyruvic acid may enter the mitochondria for the_________? or remain in the cytoplasm for ____________? | Pyruvic acid may enter the mitochondria for the Kerbs cycle or remain in the cytoplasm for Fermentation ( anaerobic ) |
| Does glycolysis require oxygen to produce energy? | no it does not |
| cellular respiration is an energy _____ process | It is an energy releasing process |
| Could a cell rely only on glycolysis for ATP production? If not, why ? | No it can not, because the cell would run out of NAD+ to accept hydrogen electrons |
| NAD+ ? | NAD+ is a hydrogen acceptor |
| Does a cell need a small amount of energy to get the reaction of cellular respiration going ? | Yes it does need to invest in a small amount of energy to start the process |
| During glycolysis 2 ATP molecules are consumed during the beginning . How many ATP molecules are produced by the end of glycolysis? | 4 ATP molecules are produced by the end |
| In order for glycolysis to keep going, must the NADH deliver high energy cargo of electrons to another pathway? | Yes, so they can be used again |
| Glycolysis has a gain of how many ATP's | 2 ATP |
| How many possible paths can Pyruvic acid take ? | 2 possible paths |
| During the production of NADH 2 ______ are removed from each PGAL. These electrons are then passed on to the electron acceptor NAD+ | During the production of NADH 2 high energy electrons are removed from each PGAL. |
| What does the path that the pyruvic acid will take, depend on? | It depends on whether oxygen is present or not |
| If oxygen is present, the pyruvic acid will enter the_______ and undergo ________ respiration. | If oxygen is present, the pyruvic acid will enter the Mitochondria and undergo aerobic respiration. |
| What stages does Aerobic respiration include? | The Krebs cycle & the electron transport chain |
| Will aerobic respiration provide more ATP then Glycolysis? | Yes |
| If there is NO oxygen, the pyruvic acid will enter the _______ pathways of _________ | If there is NO oxygen, the pyruvic acid will enter the anaerobic pathways of fermentation |
| Fermentation provides how much additional ATP? | None |
| Where does anaerobic fermentation occur? | In the cytoplasm |
| Most ATP produced during aerobic respiration is produced by ___________? | Electron Transport Chain |
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