Biology
Grade-10
Easy
Question
Which of the following is required both by the process of respiration and photosynthesis
- Carbohydrates
- Sunlight
- Chlorophyll
- Cytochromes
Hint:
Both respiration and photosynthesis synthesize ATP therefore both require the transfer of electrons with the help of those substances- electron transfer agents that help in the synthesis of ATP.
The correct answer is: Cytochromes
Both the process of respiration and photosynthesis require cytochromes.
- In the case of respiration, cytochromes act as respiratory complexes. It acts as a haem protein and the action of cytochrome is mostly seen during terminal oxidation.
- The whole process of photosynthesis requires two photosynthetic reaction complex centers photosystem II and photosystem I.
- It starts with photosystem II (PS II) and ends with photosystem I (PS I).
- The transfer of electrons between both the photosystems takes place with the help of a cytochrome b6f complex.
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