Multiple choice

Which of the following amino acids can act as metabolic precursor for synthesis of cysteine and glycine?

  1. Aspartate

  2. Glutamate

  3. Phenylalanine

  4. Serine

  5. Threonine
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Glycerate 3-phosphate acts as a precursor for serine which in turn, can act as precursor to create cysteine and glycine through the homocysteine cycle.

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