Biology
Grade-10
Easy
Question
Which of the following is the first compound generated in the citric acid cycle?
- Oxaloacetate
- Citrate
- Isocitrate
- None of the above
Hint:
Citric acid is the first compound generated in the citric acid cycle.
The correct answer is: Citrate
- Beginning with the transfer of the two-carbon acetyl group from acetyl CoA to the four-carbon acceptor molecule (oxalo acetate), the citric acid cycle, commonly known as the tricarboxylic acid cycle (TCA cycle) or the Krebs cycle, begins (citrate).
- Citrate is the first compound formed in the citric acid cycle.
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