Multiple choice

Which of the following amino acids are found in brain tissue?

  1. D-serine

  2. D-aspartate

  3. D-alanine

  4. Both (1) and (2)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Both D-serine and D-aspartate are naturally occurring D-amino acids found in mammalian brain tissue, functioning as neuromodulators and neurotransmitters. D-serine acts as a co-agonist at NMDA receptors, while D-aspartate regulates hormone release. D-alanine is not typically found in brain tissue.

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