β-turns in protein molecules belong to the protein's hierarchical structure?
A: Primary structure
B: Secondary structure
C: Tertiary structure
D: Side chain conformation
A: Primary structure
B: Secondary structure
C: Tertiary structure
D: Side chain conformation
举一反三
- The β-sheet conformation of a protein can be considered an example of（） A: Primary structure B: Secondary structure C: Tertiary structure D: Quaternary structure
- The ___________________ structure of a protein is the sequence of its amino acids. A: primary B: secondary C: tertiary D: quartenary E: all above
- All proteins have the primary structure, secondary structure and tertiary structure.
- Proteins are natural polymers of amino acids with primary structure, secondary structure, tertiary structure and quaternary structure.
- Which structure is not secondary structure of the protein？（） A: α-helix B: β- fold C: β- Angle D: subunits