QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
In which cell organelle does photosynthesis occur? Cellular respiration?
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Answer
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Step 1
6CO_2 + 6H_2O + light~energy \xrightarrow{Chloroplasts} C_6H_{12}O_6 + 6O_2
Photosynthesis occurs in the chloroplasts. Chloroplasts are specialized organelles in plant cells and some protists that capture light energy to convert carbon dioxide and water into glucose and oxygen. This process is called photosynthesis, which can be represented by the chemical equation:
Step 2
C_6H_{12}O_6 + 6O_2 \xrightarrow{Mitochondria} 6CO_2 + 6H_2O + 36-38 ATP
Cellular respiration, on the other hand, occurs in the mitochondria. Cellular respiration is a process that breaks down glucose to release energy in the form of ATP (adenosine triphosphate). This process can be divided into three stages: glycolysis, the Krebs cycle (or citric acid cycle), and the electron transport chain. The Krebs cycle and the electron transport chain occur in the mitochondria. The overall chemical equation for cellular respiration is:
Final Answer
- Photosynthesis occurs in the chloroplasts. - Cellular respiration occurs in the mitochondria.
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