1. 1. What is the pH range of acids?

2. 2. What pH is neutral? 7

3. 3. What is the pH range of bases?

4. 4. What gas causes acid rain?

5. 4. What gas causes acid rain?
Sulfur Dioxide SO2 combines with water vapor to form an acid (sulfuric acid)

6. 5. Why is the ozone layer important?
Protects us from harmful Ultraviolet light

7. 5. What chemical destroys the ozone layer?
CFCs - chloroflurocarbons

8. 7. What 2 elements does a compound have in order to be classified as organic?
C and H
Example: C6H12O6

9. 8. What are two functions of lipids?
Part of the cell membrane

10. 8. What are two functions of lipids?
Stored energy
Insulation

11. 9. What are two functions of protein in living things?
enzymes
muscle

12. 9. What are two functions of protein in living things?
hormones
receptors

13. 10. What are two ways atoms can bond to each other?
Ionic bonding
covalent bonding

14. 11. What is an ion?
An atom with an electrical charge formed by gaining or losing an electron

15. 12. Name two examples of carbohydrates.
glycogen
glucose

16. 13. What are two functions of carbohydrates?
energy

17. 13. What are two functions of carbohydrates?
Structure – Cellulose in cell walls

18. 14. What is the function of glucose in living things?
energy

19. 15. What process is the information in DNA for?
Amino acids

20. 15. What process is the information in DNA for?
Amino acids
Making proteins

21. Cell

22. Cell

23. Before – cow protein
After – Human protein
Cell in a human

24. 16. What are the building blocks of carbohydrates?
Simple sugars –
monosaccharides

25. 17. What are the building blocks of protein?
Proteins are Absolutely Awesome
M C
I I
N D
O S

26. 18. What are the building blocks of nucleic acids?
nucleotides

27. 18. What are the building blocks of nucleic acids?
nucleotide
RNA
DNA

28. 19. What are the four most common elements in living things?
C H O N
arbon
ydrogen
xygen
itrogen

29. 20. What element is in protein, but not in carbohydrates and lipids?
nitrogen