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.
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.
举一反三
- The primary structure of proteins consists of a sequence of amino acids linked together by peptide bonds and includes any disulfide bonds.
- A chain of 5 amino acids contains how many peptide bonds ?</p></p>
- Which of the following descriptions about β-sheet is correct? A: It belongs to the tertiary structure of proteins B: Two peptide chains can not be anti-parallel C: The side chain of amino acids alternately is located above the peptide unit D: The skeleton of the main chain is zigzag E: There is no hydrogen bond between β-sheet peptide chains
- 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 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.