Question

which of the following describes a major function of the extracellular matrix?

a. act as a signal reservoir for small signaling molecules

b. provide biomechanical force

c. all of the answers describe the function of extracellular matrix

d. anchor cells to a basement membrane or other cells

e. control cell migration

you have identified a new cell type that forms sheets within the gut tissue.you are trying to determine the extent of communication between the cell you inject singles cell with a dye that fluorescent. after a brief period of time, the dye spreads to cell neighboring the injected cell. what do you conclude?

a. the cells are connected by tight junction

b. the cells contain focal adhesions

c. the cells are connected by gap junctions

d. the cells reconnected by adherens junctions

the cells are connected by hemidesmosomes

Answer 1

All of the answers provided are functions of extracellular matrix.

Gap junction allow massage of small molecules. Hence cells are connected by gap junction