When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical, the cells sag and become round blobs. The internal structures disrupted by this chemical are probably _____.

A. cell junctions
B. microtubules
C. rough endoplasmic reticulum
D. mitochondria
E. dynein arms

Why isn't it dynein arms?

3 answers

ljgyuuvyvyvoi
cell junction, i think
cell junction