IMAT 2014 Q35 [Vesicle Production]

Which of the following can produce vesicles?

  1. RER
  2. Golgi
  3. Cell surface membrane

A. 1, 2 and 3
B. 1 and 3 only
C. 2 only
D. 2 and 3 only
E. 1 and 2 only

The answer here is choice A.

This is a fairly simple question to answer, and it would be useful to not overthink it, and tackle it in a straightforward manner. Your main clue would be the “…can produce vesicles?”. Before you answer that, you will need to be reminded of what exactly vesicles are. Vesicles are basically structures that enclose liquid or cytoplasm, thus participating in the different cellular functions that include secretion, uptake, and transport of materials. In addition, vesicles are made of a lipid bilayer. Thus, you will now need to think of which among the choices are able to produce something that is made of a lipid bilayer, which is only possible if they have a lipid bilayer themselves. If you notice, all choices given contain lipid bilayers, which makes sense since number 1 and 2 are organelles which have membranes, and number 3 is a membrane itself, where vesicles are an integral part in each of these structures’ functions.

Thus, since all choices are able to make vesicles, choice A is the only correct choice.