The spacial conformation of protein is mainly determined by: ()
A: the
sequence of amino acid
B: α-helix
and β-pleated sheets
C: the
side chain of amino acid in the peptide
D: peptide
bond in the peptide chain
E: the
location of disulfide bond in the peptide chain
A: the
sequence of amino acid
B: α-helix
and β-pleated sheets
C: the
side chain of amino acid in the peptide
D: peptide
bond in the peptide chain
E: the
location of disulfide bond in the peptide chain
举一反三
- 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
- 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
- A chain of 5 amino acids contains how many peptide bonds ?</p></p>
- Which of the following bond link the nucleotide in the primary structure of nucleic acid? () A: peptide<br/>bond B: hydrogen bond C: 3′,5′-phosphodiester bond D: salt bond E: hydrophobic bond
- The primary<br/>structure of a protein is mostly maintained by () A: Peptide bond B: Hydrogen bond C: lonic bond D: Hydrophobic bonds E: Van der Waals<br/>interactions