Podcast
Questions and Answers
What is the primary product of photosynthesis?
What is the primary product of photosynthesis?
Respiration occurs only in plants.
Respiration occurs only in plants.
False
What is the balanced symbol equation for photosynthesis?
What is the balanced symbol equation for photosynthesis?
6CO2 + 6H2O + light energy → C6H12O6 + 6O2
During anaerobic respiration, glucose is converted to ______.
During anaerobic respiration, glucose is converted to ______.
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Which of the following is NOT a limiting factor for photosynthesis?
Which of the following is NOT a limiting factor for photosynthesis?
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Match the following terms to their definitions:
Match the following terms to their definitions:
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Increasing the concentration of carbon dioxide will always increase the rate of photosynthesis.
Increasing the concentration of carbon dioxide will always increase the rate of photosynthesis.
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What happens to enzymes at high temperatures during photosynthesis?
What happens to enzymes at high temperatures during photosynthesis?
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Study Notes
Photosynthesis
- Photosynthesis is the process by which plants convert light energy into chemical energy in the form of glucose.
- The word equation for photosynthesis is: carbon dioxide + water + light energy → glucose + oxygen.
- The balanced symbol equation for photosynthesis is: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.
- Plants use glucose for respiration, making cellulose, making amino acids, storing as oils and fats, and storing as starch.
- Limiting factors for photosynthesis include light, temperature, and carbon dioxide.
- Increasing the concentration of carbon dioxide will increase the rate of photosynthesis until a point where the rate plateaus due to other limiting factors.
- If the temperature becomes too high, enzymes denature and photosynthesis cannot happen.
Respiration
- Respiration is the process by which organisms use energy from glucose.
- Respiration allows organisms to build larger molecules, contract muscles, and maintain a constant body temperature.
- The word equation for respiration is: glucose + oxygen → carbon dioxide + water + energy.
- The balanced symbol equation for respiration is: C6H12O6 + 6O2 → 6CO2 + 6H2O + energy.
Metabolism
- Metabolism refers to all of the chemical reactions that occur within an organism.
- Metabolism includes synthesis reactions (building up molecules) and decomposition reactions (breaking down molecules).
- Examples of synthesis reactions include: starch from glucose, proteins from amino acids, and lipids from glycerol and fatty acids.
- Examples of decomposition reactions include breaking down glucose for respiration and breaking down proteins.
Aerobic Respiration
- Aerobic respiration uses oxygen.
- Aerobic respiration has the same equation as general respiration.
Anaerobic Respiration
- Anaerobic respiration does not use oxygen.
- Anaerobic respiration converts glucose to lactic acid.
- Anaerobic respiration occurs during high-intensity exercise.
- When the body is in oxygen deficit, it needs to repay the oxygen debt by breathing heavily to flush out lactic acid and restore oxygen to tissues.
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Description
Test your knowledge on the key processes of photosynthesis and respiration. This quiz covers the equations, functions, and factors affecting both processes, including the role of glucose in energy usage. Perfect for biology students looking to reinforce their understanding.
