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In the photorespiratory pathway, there i...

In the photorespiratory pathway, there is neither synthesis of (A)_____ nor of (B)____. rather it results in the release of (C)_____ with the utilzation of (D)____. Therefore, photorespiration is a wasteful process.

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To answer the question regarding the photorespiratory pathway, we can break it down step by step: 1. **Understanding Photorespiration**: Photorespiration is a process that occurs in C3 plants when the enzyme RuBisCO oxygenates RuBP (ribulose bisphosphate), leading to a series of reactions that ultimately do not result in the production of glucose or energy. 2. **Identifying the Synthesis of (A)**: In the photorespiratory pathway, there is no synthesis of sugars. This means that during this process, the plant does not produce carbohydrates, which are essential for energy storage and growth. - **(A)**: Sugars 3. **Identifying the Synthesis of (B)**: Similarly, there is also no synthesis of ATP (adenosine triphosphate) during photorespiration. ATP is the primary energy currency of the cell, and its absence indicates that the process does not contribute to the energy needs of the plant. - **(B)**: ATP 4. **Release of (C)**: One of the byproducts of the photorespiratory pathway is the release of carbon dioxide (CO2). This is a significant aspect of photorespiration, as it represents a loss of fixed carbon that could have been used for photosynthesis. - **(C)**: Carbon dioxide 5. **Utilization of (D)**: The process of photorespiration utilizes ATP, which is counterproductive since it consumes energy without yielding any useful products. This further emphasizes the wasteful nature of photorespiration. - **(D)**: ATP 6. **Conclusion**: Therefore, the complete answer to the question is: - (A) Sugars - (B) ATP - (C) Carbon dioxide - (D) ATP
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