Proteins

In this topic

• What is a protein?
• Four levels of structure
• Denaturation and renaturation
• What proteins do

Key terms

• Protein
• Amino acid
• Peptide bond
• Polypeptide
• Primary structure
• Secondary structure
• Tertiary structure
• Quaternary structure
• Denaturation
• Renaturation
• Enzyme
• Essential amino acid

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