1. CARBOHYDRATE FORMATIVE

2. Molecule(s) “X” are most likely: 1. Carbohydrates 2. Monomers 3. Polymers 4. Water 5. Starch

3. As you can see, the organic molecules below (I, II, and III) contain the same molecular formula but their structures are different. As a result, these molecules are considered _______ of each other: 1. Isotopes 2. Mirror images 3. Isomers 4. Monomers 5. Polymers

4. Which of the following molecules is glucose: 1. A 2. B 3. C 4. D 5. E A B C De

5. The following shows glucose bonding to glucose to form maltose. What is the formula for maltose: 1. C 6 H 12 O 6 2. C 12 H 22 O 11 3. C 12 H 24 O 12 4. C 10 H 22 O 11

6. Based on the bonding between the glucose molecules, this is most likely : 1. Glycogen 2. Starch 3. Maltose 4. Cellulose

7. Which of the following molecules is fructose: 1. A 2. B 3. C 4. D 5. E A B C De

8. Let’s try another one. What is the molecular formula for three glucose bonded to each other: 1. C 18 H 32 O 16 2. C 18 H 36 O 18 3. C 18 H 34 O 16 4. C 18 H 30 O 16

9. Based on the structure and the bonding in this molecule, this is most likely: 1. A polysaccharide 2. Starch 3. Glycogen 4. A carbohydrate

10. Now for a real challenge! Calculate the formula for a starch molecule that contains 100 glucose monomers. 1. C 600 H 1200 O 600 2. C 600 H 198 O 599 3. C 600 H 1002 O 600 4. C 600 H 1002 O 501

11. Which of the following is not a disaccharide: 1. Maltose 2. Lactose 3. Fructose 4. Sucrose

12. If molecule “Y” is starch, molecules marked “W” are most likely: 1. Maltose 2. Sucrose 3. Glucose 4. Galactose 5. Fructose