Question

1. Interactions between cells and the extracellular matrix regulate 10. If blocking antibodies to fibronectin are injected into an embryo through which neural crest cells are migrating, what happens? 8. What are tight junctions? a) cell migration only b) cell proliferation only c) cell differentiation only d) cell migration, proliferation, and differentiation a) specialized contacts between fibroblasts b) specialized contacts between adjacent epithelial cells c) specialized connections where adjacent cells exchange small molecules d) All of the above are correct a) Neural crest cell movements are inhibited. b) Neural crest cell movements are excited. c) Neural crest cells all die. d) Neural crest cells divide more rapidly. e) Neural crest cells convert into muscle cells.

Answer 1

Question 1. Interaction between cells and extracellular matrix regulate

Answer- D. Cell migration, Proliferation, and differentiation.

The extracellular matrix is a network and is formed by macromolecules. They form a very crucial support system for a cell.

The function of this interaction include- shape, adhesion, migration, and differentiation.

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