Pyridoxal phosphate (PLP) participates in a variety of reactions at the α, β, and γ carbons (C-2 to C-4) of amino acids. Reactions at the α carbon include ___________________.
A: acemization (interconverting L- and D-amino acids)
B: decarboxylation
C: transamination
D: deamination
A: acemization (interconverting L- and D-amino acids)
B: decarboxylation
C: transamination
D: deamination
A,B,C
举一反三
- 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
- The primary manner for the deamination of amino acids in muscle involves ( ). A: purine nucleotide cycle B: oxidative deamination of glutarate C: transamination D: ornithine cycle E: conjunction of transamination and purine nucleotide cycle F: conjunction of transamination and oxidative deamination
- The primary manner for the deamination of amino acids in muscle involves.
- 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
- 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
内容
- 0
the liver can use amino acids to manufacture a variety of important substances.
- 1
Which of the following amino acids doesn’t belong to essential amino acids?? Methionine|Isoleucine|Valine|Cysteine
- 2
The correct descriptions about peptide are A: A compound formed of two or more amino acids linked by peptide bonds. B: The amino acids that make up the peptides are residues. C: The peptide chain has amino terminus and carboxyl terminus. D: Oligopeptides less than 10 amino acids don’t have function.
- 3
Which is not essential amino acids? ( )
- 4
The covalent bond between two adjacent amino acids in a protein chain is called a ___________; the chain of amino acids is also known as a polypeptide.