13112737
Beschreibung
Karteikarten von Sarah Slee, aktualisiert more than 1 year ago
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Erstellt von Sarah Slee
vor mehr als 6 Jahre
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| Frage | Antworten |
| What is respiration? | The process of transferring energy from the breakdown of glucose |
| What is cellular respiration? | A series pf chemical reactions that happen in all living cells. Glucose is used up and ATP is made for use in cells. All the reactions are coontrolled by enzymes, so the overall rate of respiration is affected by both temperature ond pH |
| Why does cellular respiration happen continuously in all living cells? | We need the energy produced to survive and help in essential processes |
| What is ATP? | Adenosine triophosphate. It is created in cellular respiration as the enrgy transferred by respiration can't be used directly by cells. ATP stores the energy to be used in processes such as breaking down molecules, active transport and contracting muscles. |
| Is cellular respiration exothermic or endothermic? | Exothermic- it transfers energy to the environment |
| When does aerobic respiration happened? What happens during the process? | When there is plenty of oxygen available. It breaks down glucose and combines the products with oxygen to make carbon dioxide (waste product) and water |
| What is the overall equation for aerobic respiration? | glucose + oxygen -> carbon dioxide + water C6H1206 + 602 -> 6C02 + 6H20 |
| Where does aerobic respiration mostly take place (in eukaryotic cells)? | Subcellular structures called mitochondria. They contain most of the enzymes needed to control aerobic respiration reactions. |
| Where does aerobic respiration mostly take place (in prokaryotic cells)? | All aerobic respiration happens in the cytoplasm |
| What is the main difference between aerobic and anaerobic respiration? | Aerobic uses oxygen and anaerobic does not |
| Where does anaerobic respiration take place in animal and plant cells? | In the cytoplasm where there is very little or no oxygen |
| When do different cells use anaerobic respiration? | Human cells- vigorous exercise means your body can't supply enough O to muscle cells Plant root cells- if the soil becomes water logged there is no oxygen available for the roots Bacteria- can get under your skin where there is little oxygen |
| What is produced in animals and some bacteria during anaerobic respiration? | Lactic acid (as a waste product) glucose -> lactic acid |
| What is produced in plants and some microorganisms during anaerobic respiration? | Ethanol and CO2 glucose -> ethanol + carbon dioxide |
| What are the main differences between aerobic and anaerobic respiration | Oxygen/ No oxygen Uses glucose and oxygen/ only glucose Produces C02 and H2O/ lactic acid or ethanol and CO2 ATP yield is high (32 ATP per 1 molecule of glucose/ yield is low (2 ATP per 1 molecule of glucose) |
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