Chemistry for Biology 

1. Which of the following molecules are polar?

      a. CO2

      b. Benzene

      c. CH3

      d. Ozone

 

2. True or false, ionic bonds are weaker than covalent bonds when placed in an aqueous solution

      a. True

      b. False

 

3. DNA is arranged in a 5' to 3' sequence. This sequencing is caused by which of the following bonds?

      a. Glycosidic linkages

      b. Hydrogen bonds

      c. Phosophodiester bonds

      d. All of the above

 

4. Which of the follwoing bonds are responsible for the structure of phospholipids?

      a. Hydrogen bonds

      b. Hydrophobic interactions

      c. Peptide bonds

      d. Phosphodiester bonds

 

5. Which of the following molecules are made of London forces, also known as Van Der Waals forces?

      a. CH3

      b. NaCl

      c. H2O

      d. Every molecule exhibit some form of Van Der Waal forces