In the process of protein digestion and absorption, the following form with the highest absorption efficiency is
A: Dipeptide
B: Amino acids
C: Polypeptide
D: Intact protein
A: Dipeptide
B: Amino acids
C: Polypeptide
D: Intact protein
举一反三
- 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
- For a typical protein length of 300 amino acids, more than ______ different polypeptide chains could theoretically be made
- The spatial conformation of a protein mainly depends on A: α-helix and β-sheet B: the sequence of amino acids in polypeptide chain C: disulfide bonds in polypeptide chain D: hydrophobic effects in polypeptide chain E: hydrogen bonds in polypeptide chain
- 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
- The protein has the properties of UV absorption, which has the maximum absorption peak at 260nm.( )