Question:
In C\(_4\) plants, the Oxaloacetic acid is formed by this reaction:
In C\(_4\) plants, the Oxaloacetic acid is formed by this reaction:
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The C\(_4\) pathway is an adaptation for efficient CO\(_2\) fixation under high light and temperature conditions, reducing photorespiration.
Updated On: Mar 11, 2025
- Decarboxylation of pyruvic acid
- Carboxylation of phosphoenol pyruvic acid
- Oxidation of malic acid
- Oxidative decarboxylation of malic acid
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Formation of Oxaloacetic Acid in C\(_4\) Pathway
- In C\(_4\) plants, Phosphoenol pyruvate (PEP) carboxylase fixes CO\(_2\) to form oxaloacetic acid (OAA) in mesophyll cells.
- This reaction helps plants survive in high-temperature conditions by minimizing photorespiration.
- This reaction helps plants survive in high-temperature conditions by minimizing photorespiration.
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