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Which amino acid is a precursor for the neurotransmitter serotonin?

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Question: Which amino acid is a precursor for the neurotransmitter serotonin?

Options:

  1. Tyrosine
  2. Tryptophan
  3. Phenylalanine
  4. Glutamate

Correct Answer: Tryptophan

Solution:

Tryptophan is the amino acid precursor for serotonin, a key neurotransmitter in mood regulation.

Which amino acid is a precursor for the neurotransmitter serotonin?

Practice Questions

Q1
Which amino acid is a precursor for the neurotransmitter serotonin?
  1. Tyrosine
  2. Tryptophan
  3. Phenylalanine
  4. Glutamate

Questions & Step-by-Step Solutions

Which amino acid is a precursor for the neurotransmitter serotonin?
  • Step 1: Understand what a precursor is. A precursor is a substance that is used to create another substance.
  • Step 2: Identify the neurotransmitter in the question. The neurotransmitter mentioned is serotonin.
  • Step 3: Know that serotonin is important for mood regulation.
  • Step 4: Find out which amino acid is used to make serotonin. The amino acid that is used is called tryptophan.
  • Step 5: Conclude that tryptophan is the precursor for serotonin.
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