Biology
Grade-10
Easy
Question
Which of the Citric Acid's cycle intermediates is used in the synthesis of amino acids?
- Citric Acid
- Malic Acid
- Isocitric Acid
- 𝛼-Ketoglutaric Acid
Hint:
The intermediates oxaloacetate, which produces aspartate and asparagine, and alpha-ketoglutarate, which produces glutamine, proline, and arginine, can supply the carbon skeletons for the synthesis of amino acids.
The correct answer is: 𝛼-Ketoglutaric Acid
- Protein synthesis depends on the synthesis of amino acids. However, not all amino acids are produced by the body.
- The majority of amino acids are created from alpha-ketoglutaric acid and then transferred from glutamate.
- As a result, alpha-ketoglutarate acid is the intermediary substance.
- α-ketoacid + glutamate ⇄ amino acid + α-ketoglutarate
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