Which of the following correctly describes components of the extracellular matrix and associated cells?

a. Proteoglycans are a component of connective tissues but are relatively unimportant in watery tissues (such as the interior of the eye.)
b. Integrins can be activated only from signaling inside of a cell.
c. Integrins can attach directly to collagen fibers in the extracellular matrix.
d. Fibroblasts secrete collagen and form it into specific shaped structures.


Ans: d. Fibroblast secrete collagen and form it into specific shaped structure

Explanation: Fibroblast are primary source of extracellular matrix which involve in the modification of collagen.Collagen is generally modified when cell gets injured it means they are more functional in wound healing.

Biology & Microbiology

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