Question:
Which amino acids are synthesized from intermediates of Krebs cycle like alpha-ketoglutarate and oxaloacetate?
Which amino acids are synthesized from intermediates of Krebs cycle like alpha-ketoglutarate and oxaloacetate?
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Alpha-ketoglutarate and oxaloacetate accept amino groups to form specific amino acids.
Updated On: Nov 12, 2026
- Lysine and aspartic acid
- Glutamic acid and mevalonic acid
- Aspartic acid and mevalonic acid
- Glutamic acid and aspartic acid
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Krebs cycle intermediates serve as carbon skeletons for amino acid synthesis through amination and transamination.
Step 2: Conversions
\(\alpha\)-Ketoglutarate forms glutamic acid. Oxaloacetate forms aspartic acid.
Step 3: Why the other options fail
Mevalonic acid is not an amino acid. Lysine is not made from these intermediates in this way.
Final Answer:
Glutamic acid and aspartic acid are formed. \[ \boxed{\text{(D) }\text{Glutamic acid and aspartic acid}} \]
Krebs cycle intermediates serve as carbon skeletons for amino acid synthesis through amination and transamination.
Step 2: Conversions
\(\alpha\)-Ketoglutarate forms glutamic acid. Oxaloacetate forms aspartic acid.
Step 3: Why the other options fail
Mevalonic acid is not an amino acid. Lysine is not made from these intermediates in this way.
Final Answer:
Glutamic acid and aspartic acid are formed. \[ \boxed{\text{(D) }\text{Glutamic acid and aspartic acid}} \]
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