http://www.ck12.org Chapter 26. Biochemistry
26.2 Amino Acids and Proteins
Lesson Objectives
- Draw the structure of a generic amino acid.
- Define the following aspects of protein structure:
- Primary
- Secondary
- Tertiary
- Quaternary
- List and describe the functions of proteins.
- Describe how an enzyme catalyzes a biochemical reaction.
- List the six classes of reactions catalyzed by enzymes.
- Describe the structure of hemoglobin and its role in oxygen transport.
- Describe the molecular problems that lead to sickle cell disease.
Lesson Vocabulary
- alpha helix
- amino acid
- beta sheet
- enzyme
- secondary structure
- primary structure
- protein
- quaternary structure
- tertiary structure
Check Your Understanding
Recalling Past Knowledge
- What is the structure of a carboxylic acid?
- What is the structure of an amine?
- What is the structure of an amide?