ap lectureguide05B

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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