Ornithine serves three metabolically important roles but is not found in proteins. Which of the following statements about ornithine is not true?
A) It is a precursor in the synthesis of citrulline.
B) It is an intermediate in the urea cycle.
C) It is a precursor in the synthesis of arginine.
D) It is biosynthesized from glutamine.
E) It is a product of arginine hydrolysis.
Correct Answer:
Verified
Q22: Write a mechanism for the formation of
Q23: Aspartate is formed from transamination of:
A) asparagine.
B)
Q24: All of the following are true of
Q25: The appropriate sequence in the biosynthesis of
Q26: In the process of amino acid biosynthesis,
Q27: The term ketogenic amino acids refers to
Q29: All of the following are metabolic intermediates
Q30: Amino acids biosynthesized from aspartate include all
Q31: Transamination of pyruvate with glutamate as the
Q32: What amino acid is the following α-keto
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