Bio1151 Quiz 2, 10 pts (Print your name on the back, top left)

Multiple Choice, 2 pts each:


  1. Water molecules can dissociate into ________ and hydroxide ions.
    1. hydronium (GREAT!)
    2. hydroxyl (incorrect)
    3. carboxyl (incorrect)
    4. carbonyl (incorrect)
    5. oxygen (incorrect)
  2. The weak bonds between polar regions of different water molecules are ________ bonds.
    1. hydrogen (CORRECT!)
    2. oxygen (incorrect)
    3. covalent (incorrect)
    4. ionic (incorrect)
    5. savings (incorrect)
  3. Which of the following is true of geometric isomers?
    1. They have variations in arrangement around a double bond. (AWESOME!)
    2. They have an asymmetric carbon. (incorrect)
    3. They have the same chemical properties. (incorrect)
    4. They have different molecular formulas. (incorrect)
    5. They are mirror images. (incorrect)
  4. The functional group at right is a(n) ________ group.
    1. carbonyl (YIPEE!)
    2. carboxyl (incorrect)
    3. phosphate (incorrect)
    4. sulfhydryl (incorrect)
    5. amino (incorrect)

Fill In, 2 pts each:


  1. Water molecules can form                       shells around ions to form a solution.

Extra Credit, 1 pt each:


  1. The steroid hormone testosterone contains which functional groups?
    1. hydroxyl and carboxyl (incorrect)
    2. carbonyl and amino (incorrect)
    3. carboxyl and methyl (incorrect)
    4. amino and methyl (incorrect)
    5. carbonyl and hydroxyl (FAR OUT, MAN!)