Multiple Choice
Many species of bacteria live bound together by a glue-like substance that, among other things, makes up the plaque on human teeth. This is an example of a ____.
A) pilus
B) multicellular organism
C) vesicle
D) single-celled organism
E) biofilm
Correct Answer:

Verified
Correct Answer:
Verified
Q11: Match the organelle to the correct description.
Q12: Pigments, other than chlorophylls, are synthesized and
Q13: A biofilm allows the participating cells to
Q14: A dense, irregularly shaped region within the
Q15: Fibers known as _ contain the protein
Q17: Substances targeted for export from the cell
Q18: To visualize objects smaller than those that
Q19: Fluorescent dyes help visualize internal cellular structures
Q20: Which structure is large enough to be
Q21: Match the cytoskeletal structure with the best