SCI 115 Quiz 2

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1. Radioactive isotopes have

2. ____ Bonds hold molecules of water together.

3. A hydrogen bond is

4. Which of the following is true of water molecules when water becomes ice?

5. A water molecule is polar because

6. Which of the following is a monomer of protein?

7. Which of the following statements is true?

8. Which of the following lipids makes up most of a plasma membrane?

9. If you could stick a microscopic pin into the center of a bacterium, what would the order of the structures you would encounter from the outside in?

10. Eukaryotic cells have their DNA enclosed in the

11. Which of the following are primarily structures for the packaging of cellular secretions for export from the cell?

12. Which organelle has enzymes that break down fatty acids, amino acids, and toxins?  

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