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Term 4 3c

Cellular Respiration

QuestionAnswer
Where does cellular respiration occur? In both plants and animals
What happens in cellular respiration? Cells break down glucose and turn it into energy.
What form is the energy in? The form of ATP
How many reactions does Aerobic reactions involve? approx 20
What are the reaction between? Glucose and Oxygen
What happens to the Glucose and Oxygen? They are broken down to form Carbon Dioxide, Energy and Water
Aerobic Reactions involve a series of reaction and have how many stages? 3 stages
What is the first stage called? Glycolysis
What is Glycolysis? it is the first stage of the breakdown of glucose
Where does it occur? In the cytosol
During this stage, each of the ..... Carbon ........... molecules are broken down into ... Carbon ........... molecules? each of the 6 carbon glucose molecules are broken down into 3 carbon pyruvate molecules.
How many ATP are released? 2
What is the 2nd stage called? Krebs cycle
What happens the pyruvate molecules? They go through the Krebs cycle
Where is the Krebs cycle located? In the matrix
For each pyruvate molecules, what and how many are formed? 5 'loaded' acceptor molecules are formed
What is released? Carbon Dioxide and 2 ATP.
What is the 3rd stage called? Electron Transport Chain
Where does it take place? In the inner membranes of the mitochondria.
What happens to the electrons from the 'loaded' acceptor molecules? Combine with Oxygen which reacts with hydrogen ions to form water.
What does this electron transport do? It releases energy
What is released? water and 32-34ATP
When do Anaerobic reactions occur? After glycolysis if oxygen is lacking.
What are the inputs of Anaerobic reaction (humans)? Glucose
Outputs Lactic Acid and 2ATP
What are the inputs of Anaerobic reactions (plants)? Glucose
Outputs? Ethanol, Carbon Dioxide and 2ATP
Created by: zarap103
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