One of these statements are wrong but I can't find the wrong statement

Question

1. some smooth muscle cells can be connected to each other by gap junction

2. smooth muscle cells are surrounded by basement membrane

3. some smooth muscle cells are able to divide

4. in smooth muscle cells, calmodulin fulfills the role that is played by troponin in striated muscle cells

5. smooth muscle cells contain myofilaments but htey do not contain myofibrils

Thank you very much.

Answer 1

I think it is 5

Answer 2

amazing.  you're learning about muscles, myofilaments, troponin, and membranes, but you can't construct a proper sentence.  one of these statements IS wrong...