Krillion Unlimited Practice

Name an essential amino acid for healthy adults.

Use the standard nine dietary essential amino acids, excluding conditionally essential ones.

These nine amino acids need dietary supply. Conditional needs under illness or development are outside this question.

Reveal all 9 checked answers and scores

Points are editorial tiers. The source supports membership in the set, not how many people know an answer.

Leucine 25 · Familiar
Leucine is in the 9-answer set defined by this question.
Lysine 25 · Familiar
Lysine is in the 9-answer set defined by this question.
Tryptophan 50 · Less common
Tryptophan is in the 9-answer set defined by this question.
Valine 50 · Less common
Valine is in the 9-answer set defined by this question.
Isoleucine 75 · Uncommon
Isoleucine is in the 9-answer set defined by this question.
Methionine 75 · Uncommon
Methionine is in the 9-answer set defined by this question.
Phenylalanine 100 · Rare
Phenylalanine is in the 9-answer set defined by this question.
Threonine 100 · Rare
Threonine is in the 9-answer set defined by this question.
Histidine 100 · Rare
Histidine is in the 9-answer set defined by this question.

Checked exclusions

  • Alanine: Alanine is non-essential in the healthy-adult classification.
  • Glutamic acid: Glutamic acid is non-essential in the healthy-adult classification.

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