CARBOHYDRATE REVIEW

QUESTIONS

1. What is the difference between organic and inorganic molecules?

1. organic has carbon Inorganic does not.

2. Identify the following molecules as organic or inorganic.

A) H2O B) C6H12O6

2. A) H2O inorganic B) C6H12O6 organic

3. What makes carbon a unique molecule?

3. A. it can bond with up to 4 other things

B. it can form single, double, and triple bonds

4) What are hydrocarbons made up of ?

4) hydrogen and carbon

5. Are the following molecules hydrocarbons?

A) H2O B) CH4

5. A) H2O no B) CH4 yes

6. What is the ratio of hydrogen to oxygen in a carbohydrate?

6. 2 hydrogen for every 1 oxygen

7. What are the building blocks or monomers of carbohydrates?

7. saccharides

8. List two monosaccharides?

8. glucose, galactose, fructose

9. What are two other names for a monosaccharide?

9. simple sugar or single sugar

10. What is special about a monosaccharide to a human?

10. It is the form of sugar that our bodies can break down and use for energy.

11. What is another name for a disaccharide?

11. double sugar

12. What does hydro mean?

12. water

13. What does it mean to dehydrate something?

13. take water away

14. What does synthesis mean?

14. to put together or build

15. What does lysis mean?

15. to break

16. In what form do living things store excess sugar? Mono, di, or polysaccharide?

16. polysaccharide

17. What is the name of the sugar that animals store excess in?

17. glycogen

18. What is the name of the sugar plants store excess in?

18. starch

19. How many sugars are needed to make a polysaccharide?

19. three or more

20. What does dehydration synthesis do? Put things together or tear them apart?

20. put them together

21. What does hydrolysis do? Put things together or break them part?

21. break them apart

22. What process is taking place?

OH O

+ H2O

22. Dehydration synthesis

OH O

+ H2O