Bio1151 Quiz 12 (makeup for Test3) (Print your name on the back)

Multiple Choice, 1 pt each:


  1. In the E. coli lac operon, the inducer binds to the
    1. repressor. (RIGHT ON!)
    2. operator. (incorrect)
    3. promoter. (incorrect)
    4. producer. (incorrect)
    5. director. (incorrect)
  2. Cells in domains Bacteria and Archaea lack
    1. plasma (cell) membranes. (incorrect)
    2. nuclear membranes. (GOODY!)
    3. DNA. (incorrect)
    4. proteins. (incorrect)
    5. ribosomes. (incorrect)

Fill In (one or two words), 1 pt each:


  1. Some of the earliest fossils are                           formed when sediment was trapped by bacteria in layers of sedimentary rock called strata.