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Bella Nat 5
U1 KA 6 Respiration
Question | Answer |
---|---|
Where does stage 1 of aerobic respiration take place? | Cytoplasm |
What is the aerobic respiration word equation? | Glucose + Oxygen (arrow) carbon dioxide + water + lots of ATP (38 ATP) |
How many ATP molecules are produced in stage 1? | 2 ATP |
Is Stage 1 common to both aerobic respiration and fermentation? | Yes |
What are the end products of fermentation in ANIMAL cells? | Lactic Acid and 2 ATP |
What are the end products of fermentation in Plant cells? | Ethanol + Carbon dioxide + 2ATP |
What are the end products of fermentation in Yeast cells? | Ethanol + Carbon dioxide + 2ATP |
What are the products of stage 1 of aerobic respiration? | Pyruvic Acid (Pyruvate) and 2 ATP |
When does fermentation take place? | When there is insufficient Oxygen or a lack of oxygen (never say no oxygen) |
How many ATP molecules are produced during the complete breakdown of Glucose? | Lots (38 ATP) |
During aerobic Respiration some energy is lost. How is this energy lost? | As Heat energy. |
Why is fermentation irreversible (not reversible) in plant and yeast cells? | Because carbon dioxide diffuses away |
Name a process that cells need ATP for. | Muscle cell contraction, cell division, protein synthesis, transmission of nerve impulses |
What is the relationship between the energy demands of a cell and its number of mitochondria? | The greater the energy demand the greater the number of motochondria |
Where in a cell does fermentation take place? | Cytoplasm |