Whichone
is
the essential amino acid?()
A: glycine
B: methionine
C: tyrosine
D: Glutamine
is
the essential amino acid?()
A: glycine
B: methionine
C: tyrosine
D: Glutamine
举一反三
- Which one of the<br/>following amino acids can be phosphorylated? () A: Tyrosine B: Alanine C: Aspartate D: Methionine E: Glutamine
- Which one of the following amino acids in the protein does NOT have<br/>its genetic codon? ( ) A: Methionine B: Hydroxyproline C: Tryptophan D: Glutamine
- The branch amino acids involved in “the hypothesis of plasma amino acid imbalance” include A: Valine, leucine and isoleucine B: Valine, leucine and tyrosine C: Leucine, isoleucine and phenylalanine D: Tyrosine and phenylalanine E: Valine, tyrosine and phenylalanine
- Nitrogen or carbon atoms are contributed to the structure of the purine ring by amino acids, except: A: Glycine B: Glutamine C: Aspartate D: Glutamate
- 必需氨基酸（essential amino acid）