Answer :
The answer is epithelial cells, react to stimuli. Feeder cells bestow a development jolt to beneficiary epithelial cells by direct contact. It is conceivable that the LA7 feeder cells fortify expansion by discharge of a labile development figure, by emission of a dissolvable development consider such low fixations that weakening by go over a separation makes it less powerful.
The correct answer is C, i.e., epithelial cells react to stimuli. Rather they are the squamous cells which line mouth, esophagus, stomach and intestine. Columnar epithelia also line the uterus. The epithelial cells protect body from direct contact and damage from outside environment.
