With respect to the proteins involved in the polarity of Caulobacter, which of the following statements is FALSE?
A) DivJ is a marker for stalk and is produced at an old pole where PodJ had previously been located.
B) The stalk develops at a pole where PodJ is found.
C) After cell division, TipN localizes at the new cell pole opposite the stalk.
D) PodJ is a marker for flagella and interacts with TipN at the new pole.
E) After elongation and prior to division, TipN localizes to the septum.

Question

Quizplus · Accepted Answer

The stalk in Caulobacter develops at a pole opposite to where PodJ is found, not at the pole where PodJ is located. PodJ is involved in the development of the flagellum and pili at the pole opposite the stalk.

With Respect to the Proteins Involved in the Polarity of Caulobacter