The composition and structure of protein

In this topic

• What is a protein made of?
• Primary and secondary structure
• Tertiary and quaternary structure
• What decides a protein's shape?

Key terms

• Protein
• Amino acid
• Peptide bond
• Polypeptide chain
• Primary structure
• Secondary structure
• Tertiary structure
• Quaternary structure
• Hydrogen bond
• Disulfide bridge
• Fibrillar protein
• Globular protein

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