必需氨基酸（essential amino acid）
举一反三
- 必需氨基酸（essential amino acid）：指（ )或()远不能满足机体需要，而必需从外界获得的一类氨基酸
- 4． 稀有氨基酸(rare amino acid)
- 3．生糖氨基酸（Glucogenic amino acid）
- Whichone<br/>is<br/>the essential amino acid?() A: glycine B: methionine C: tyrosine D: Glutamine
- Carnitine is: A: an essential cofactor for the citric acid cycle. B: essential for intracellular transport of fatty acids. C: one of the amino acids commonly found in protein. D: present only in carnivorous animals.