Questions and Answers
How are photosynthesis and cellular respiration interrelated?
Carbon dioxide and water released by cellular respiration are used in photosynthesis. The products of cellular respiration (CO2 and H2O) are the reactants of photosynthesis. The overall equations for photosynthesis and cellular respiration are the reverse of each other.
Which gas is removed from the atmosphere during photosynthesis?
carbon dioxide
What process is most likely occurring in the muscles of a weightlifter who is experiencing fatigue?
What function does ATP carry out in living things?
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How are cellular respiration and photosynthesis related, in terms of energy?
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What conclusion can be made about species X and species Y based on their cellular respiration products?
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In which way are photosynthesis and cellular respiration different?
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What do the numbered boxes in the diagram represent related to photosynthesis and cellular respiration?
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Study Notes
Interrelationship of Photosynthesis and Cellular Respiration
- Carbon dioxide and water produced by cellular respiration serve as reactants for photosynthesis.
- The overall chemical equations for photosynthesis and cellular respiration are reversible, highlighting their interconnected nature.
Photosynthesis and Atmospheric Gases
- Photosynthesis removes carbon dioxide from the atmosphere, making it a vital process for regulating atmospheric CO2 levels.
- Key reactants in photosynthesis are carbon dioxide and water.
Muscle Cell Energy Production
- During intense, short-duration activities like weightlifting, muscle cells may lack sufficient oxygen, leading to fatigue.
- In such cases, muscle cells resort to anaerobic respiration, generating limited ATP by converting sugars into alcohol and carbon dioxide.
Role of ATP
- ATP functions as the "energy currency" within cells, capturing and transferring energy for various biological processes.
- Energy is stored within ATP’s molecular bonds and released when these bonds are broken, enabling cellular work.
Energy Flow between Photosynthesis and Cellular Respiration
- Energy captured during photosynthesis is stored in glucose molecules and utilized for ATP production in cellular respiration.
- The process of cellular respiration transfers energy from glucose to ATP, which cells use for their functions.
Bacterial Respiration Types
- In observations of two bacterial species, Species X produces carbon dioxide and water, indicating aerobic respiration.
- Species Y, which produces ethyl alcohol and carbon dioxide, is determined to be anaerobic, reflecting its ability to perform cellular respiration without oxygen.
Differences in Carbon Dioxide Usage
- Photosynthesis consumes carbon dioxide, while cellular respiration generates it as a byproduct.
- This distinction highlights the cyclical relationship between these two processes.
Relationship Representation in Diagrams
- Diagrams illustrating the relationship between photosynthesis and cellular respiration typically label:
- Oxygen produced during photosynthesis (reactant in cellular respiration).
- Carbon dioxide produced during cellular respiration (reactant in photosynthesis).
- This cyclical process is essential for maintaining life on Earth, as plants and animals rely on each other's metabolic outputs.
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Description
Explore the intricate relationship between photosynthesis and cellular respiration with these flashcards. Learn about the organelles involved and how the products of one process serve as reactants for the other, enhancing your understanding of cellular energy transformation.
