Multiple Choice
A biofilm allows the participating cells to ____.
A) travel more efficiently to favorable locations
B) protect themselves against predators and toxins
C) exchange DNA via a sex pilus
D) share nutrients with adjoining cells through gap junctions
E) remain in a favorable location without being swept away
Correct Answer:
Verified
Correct Answer:
Verified
Q8: Which type of junction uses closable channels
Q9: Match the organelle to the correct description.
Q10: What is the general term for double-membrane
Q11: Match the organelle to the correct description.
Q12: Pigments, other than chlorophylls, are synthesized and
Q14: A dense, irregularly shaped region within the
Q15: Fibers known as _ contain the protein
Q16: Many species of bacteria live bound together
Q17: Substances targeted for export from the cell
Q18: To visualize objects smaller than those that