1. The three parts of a nucleotide are _____________.


          a. sugar, adenine, and three phosphates 

          b. sugar, phosphate, and a nitrogenous base

          c. glycerol, phosphate, and two fatty acids 

          d. a carboxyl group, an amino group, and a functional group

2. The energy of ATP that can be used by the cell is stored _________________.


          a. in the 5 carbon sugar molecule 

          b. within the nitrogenous base

          c. in the bonds between the phosphates 

          d. all of these are correct

3. Which of these is a disaccharide?


          a. fructose               b. sucrose                          c. chitin                    d. cellulose

4. If you have a strand of DNA that reads - T G A C G - , what will the complementary RNA strand be?


          a. - T G A C G - 

          b. - A C T G C - 

          c. - T G U G C - 

          d. - A C U G C -

5. The pain, swelling, and stiffness you experience when you injure a joint occurs because of the _________ that are produced by the injured area.


          a. steroids 

          b. terpenes 

          c. chitins 

          d. prostaglandins

6. Which statement is true of steroids.


          a. All steroids are made from cholesterol.          b. Testosterone is a steroid.

          c. Vitamin D is a steroid.                                     d. All of these are true.

7. The function of a chaperone protein is to ensure _________.


          a. that RNA is made correctly 

          b. that the primary structure of protein forms correctly

          c. that the secondary structure of protein forms correctly

          d. that the tertiary structure of protein forms correctly

8. Draw the structure of ATP. (Use words to represent the 3 parts rather than drawing the chemical structure)

9. Draw the structure of a nucleotide.

10. Draw a saturated fat and an unsaturated fat. How do they differ?