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
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
The amino acids belonging to the pyruvate family includes: A: alanine B: valine C: lysine D: leucine
The amino acids belonging to the pyruvate family includes: A: alanine B: valine C: lysine D: leucine
Which of the following amino acids doesn’t belong to essential amino acids?? Methionine|Isoleucine|Valine|Cysteine
Which of the following amino acids doesn’t belong to essential amino acids?? Methionine|Isoleucine|Valine|Cysteine
以下哪些为必需氨基酸（） A: methionine B: valine C: isoleucine D: cystein E: tyrosine
以下哪些为必需氨基酸（） A: methionine B: valine C: isoleucine D: cystein E: tyrosine
Which of the following is a valuable element that the human body<br/>needs?() A: carditis B: nuclease C: fructose D: valine
Which of the following is a valuable element that the human body<br/>needs?() A: carditis B: nuclease C: fructose D: valine
下列氨基酸中（）具有非极性疏水侧链。 A: alanin（Ala） B: histidine（His） C: arginine（Arg） D: valine（val）
下列氨基酸中（）具有非极性疏水侧链。 A: alanin（Ala） B: histidine（His） C: arginine（Arg） D: valine（val）
真核生物合成初始出现在多肽链N端的氨基酸是（）。 A: methionine B: valine C: N-formylmethionine D: leucine E: isoleucine
真核生物合成初始出现在多肽链N端的氨基酸是（）。 A: methionine B: valine C: N-formylmethionine D: leucine E: isoleucine