Which of the following amino acids does not exist in protein molecule
A: cysteine
B: histidine
C: citrulline
D: arginine
E: lysine
A: cysteine
B: histidine
C: citrulline
D: arginine
E: lysine
举一反三
- Which one of the following amino acids is NOT contained in the<br/>protein? () A: Cystine B: Arginine C: Lysine D: Citrulline
- Which of the following amino acids doesn’t belong to essential amino acids?? Methionine|Isoleucine|Valine|Cysteine
- In each type of protein, the amino acids are present in a unique order, called the _______________, which is exactly the same from one molecule of that protein to the next.
- 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
- Individuals with cirrhosis frequently display elevated levels of amino acids in the blood. The source of these amino acids is predominantly which one of the following A: Red blood cell turnove B: Liver protein turnove C: Enterocyte degradation and turnove D: Muscle protein turnove E: Plasma protein turnove