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During photosynthesis the oxygen in glucose comes from ______.
- a)Water
- b)Carbon dioxide
- c)Both from water and carbon dioxide
- d)Sunlight
Correct answer is option 'B'. Can you explain this answer?
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During photosynthesis the oxygen in glucose comes from ______.a)Waterb...
- Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide.
- This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) by cellular respiration. Oxygen is also formed.
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During photosynthesis the oxygen in glucose comes from ______.a)Waterb...
Carbon dioxide as the Source of Oxygen in Glucose
The oxygen in glucose produced during photosynthesis actually comes from carbon dioxide, not water. Here's a breakdown of the process:
1. Absorption of Carbon Dioxide
During photosynthesis, plants absorb carbon dioxide from the atmosphere through tiny pores called stomata on their leaves. This carbon dioxide is used as a carbon source in the process of creating glucose.
2. Conversion of Carbon Dioxide to Glucose
In the presence of sunlight and chlorophyll, plants undergo a series of complex biochemical reactions known as the Calvin cycle. In this process, carbon dioxide is converted into glucose, a simple sugar that serves as a source of energy for the plant.
3. Release of Oxygen
As carbon dioxide is converted into glucose, oxygen is released as a byproduct. This oxygen is the same oxygen that we breathe, and it is released into the atmosphere as a waste product of photosynthesis.
4. Overall Reaction
The overall chemical equation for photosynthesis can be summarized as: 6CO2 + 6H2O + sunlight → C6H12O6 + 6O2. This equation shows that carbon dioxide is used as a carbon source, while oxygen is produced as a byproduct.
In conclusion, the oxygen in glucose comes from the carbon dioxide that plants absorb from the atmosphere during photosynthesis. Water is also important for the process, but it does not directly contribute to the oxygen found in glucose.
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During photosynthesis the oxygen in glucose comes from ______.a)Waterb)Carbon dioxidec)Both from water and carbon dioxided)SunlightCorrect answer is option 'B'. Can you explain this answer?
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