Which is not essential amino acids? ( )
举一反三
- Which of the following amino acids doesn’t belong to essential amino acids?? Methionine|Isoleucine|Valine|Cysteine
- Proteins are large biological molecules consist of which of the following amino acids?: D-α-amino acids|D-β-amino acids|L- and D-β-amino acids|L-α-amino acids|L-β-amino acids
- When a protein is completely hydrolyzed will the further analyse: ( ) A: Only detect amino acids in S conformation B: Often detect other molecules besides amino acids C: Never detect more than 20 standard amino acids D: Never detect fewer than 20 standard amino acids E: Only detect the 20 standard amino acids
- 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.
- The final products of digestion are ? A: fatty acids, starch, glucose B: protein, amino acids, glucose C: protein, fat, carbohydrate D: glucose, amino acids, fatty acids