1. Homeostasis:
Problem: How is homeostasis (homeostatic set point) achieved through the use of a negative feedback loop?
2. Acids and Bases:
Problem: What allows acids and bases to donate or accept hydrogen ions (electrons)? acids accept or donate hydrogen ions? Do Bases accept or donate hydrogen ions?
3. Atomic Structure:
Problem: What characteristics separate atomic isotopes from one another?
4. Bonds:
Problem: How do hydrogen bonds contain partial positives and partial negatives within the bond?
5. Metric System:
Problem: How does the metric system enable measurements for chemical reactions and their rate of reactions?
6. Macromolecules:
Problem: How are nucleic acids, specifically DNA, expressed as genes?