AP Biology: CHAPTER 5B
MACROMOLECULES
1. What is the characteristic common to lipids? _______________________________________
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2. Lipids are synthesized by the chemical reaction ____________________________________
and broken down by the reaction ________________________________________________
3. What makes fats hydrophobic? _________________________________________________
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4. State at least two differences between saturated and unsaturated fats.
a. _________________________________________________________________________
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b. _________________________________________________________________________
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5. How do phospholipids interact in an aqueous solution?
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6. Make a diagram of phospholipid interactions that form membranes.
7. Sketch the common building block of steroids.
8. List several functions of proteins.
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9. What are the three properties used to classify amino acids?
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10. Sketch two amino acids side-by-side, on one of them label the functional groups, then show how the two can be joined together.
11. What determines the primary structure of a protein? _________________________________
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12. Describe the four levels of protein structure:
a. Primary _________________________________________________________________
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b. Secondary ______________________________________________________________
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c. Tertiary _________________________________________________________________
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d. Quaternary ______________________________________________________________
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13. What happens to a protein during denaturation? ____________________________________
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14. What are the building blocks of nucleic acids? ______________________________________
15. Briefly describe two functions of DNA in the cell.
a. ________________________________________________________________________
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b. ________________________________________________________________________
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