Questions and Answers
How are photosynthesis and cellular respiration connected?
Photosynthesis and cellular respiration are connected through the products and reactants of each process. The products of one process are the reactants of the other.
What is the equation for cellular respiration?
C6H12O6 + 6O2 → 6CO2 + 6H2O
What is the equation for photosynthesis?
6CO2 + 6H2O → C6H12O6 + 6O2
What is the main connection between photosynthesis and cellular respiration?
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What drives the carbon cycle on Earth?
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What does 'photo' mean in photosynthesis?
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What does photosynthesis allow plants to do?
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What is cellular respiration?
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Which reactants are required for aerobic respiration?
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What is the energy yield of anaerobic respiration?
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Match the following terms related to respiration:
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Study Notes
Photosynthesis and Cellular Respiration
- Photosynthesis and cellular respiration are interdependent processes; products of one serve as reactants for the other.
- The equations for these processes are inversely related; cellular respiration's equation is the reverse of photosynthesis'.
Cellular Respiration Equation
- Represented by the formula: C6H12O6 + 6O2 → 6CO2 + 6H2O.
Photosynthesis Equation
- Represented by the formula: 6CO2 + 6H2O → C6H12O6 + 6O2.
Connection Between Photosynthesis and Cellular Respiration
- Photosynthesis produces glucose, which is essential for cellular respiration to generate ATP.
- The glucose is converted back into carbon dioxide during cellular respiration, which photosynthesis then utilizes.
- In photosynthesis, water is divided to release oxygen, while in cellular respiration, oxygen is combined with hydrogen to produce water.
The Carbon Cycle
- The carbon cycle is sustained by photosynthesis and cellular respiration processes.
- Trees absorb carbon dioxide and emit oxygen, playing a crucial role in maintaining atmospheric balance.
- Deforestation negatively impacts the carbon cycle, reducing its efficiency.
- Increased combustion of fossil fuels raises carbon dioxide levels in the atmosphere.
Photosynthesis
- "Photo" translates to light, while "synthesis" means putting together.
- Fotosynthesis enables plants (autotrophs) to produce their own food.
- Occurs predominantly in the leaves containing chloroplasts, which have chlorophyll that provides the green pigment.
Cellular Respiration
- Cellular respiration is essential for energy production in cells.
- This process converts glucose into adenosine triphosphate (ATP), the energy currency of cells.
Aerobic Respiration
- Reactants include glucose and oxygen.
- Generates a high energy yield of approximately 36-38 ATP.
- Byproducts are carbon dioxide (CO2) and water (H2O).
Anaerobic Respiration
- Reactants consist of glucose only.
- Yields low energy output, around 2 ATP.
- Produces byproducts such as lactic acid in animals and ethanol and carbon dioxide in yeast and bacteria.
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Description
Test your knowledge on the interdependent processes of photosynthesis and cellular respiration. Explore their equations, connections, and role in the carbon cycle. Challenge yourself to understand how these vital processes contribute to life's energy cycles.
