1. You will have 5 minutes to answer & turn in the following question
AP Biology Opener
You will have 5 minutes to answer & turn in the following question

2. Which GENETIC DISORDER (due to defective or absent chloride ion channels) results in an abnormally high concentration of extracellular Cl- ions.
This causes the mucous that coats certain cells to become thicker and stickier. Mucous builds up in their lungs, digestive tract, and other organs leading to poor absorption of nutrients, chronic bronchitis, and recurrent bacterial infections.

3. 5
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4. 4
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5. 3
minutes

6. 2
minutes

7. 1
minute

8. 50
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9. 40
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10. 30
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11. 20
seconds

12. 10
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13. 9
seconds

14. 8
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15. 7
seconds

16. 6
seconds

17. 5
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18. 4
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19. 3
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20. 2
seconds

21. 1
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22. Let's get started!