Homecell biology quiz Cell - Cell Matrix Interactions || Cell Biology Quiz 1.Connexin is an important of Gap junction Microtubule Sarcoplasmic reticulam Microtubule 2.Integrity of tight junctions is essential for metabolic coupling Peristalsis transepithelial transport transfer of second messenger 3. Which of the following is not associated with the extracellular matrix of the cells collagen cellulose proteoglycans fibronectin 4. Continuity from cell to cell is maintained by crista plasmodesmata Centriole Thylakoid 5.Hyaluronic acid is composed of : D-galactose and N acetyl D glucosamine L iduronic acid and N aceetyl-D galactosamine D-glucuronic acid and N acetyl D galactosamine D-glucuronic acid and N acetyl d glucosamine 6. One of the following is a sheet forming collagen Type I Type II Type III Type IV 7. Gap junctions are not essential for Skeletal muscle contraction Metabolic coupling Peristslsis Transfer of second messenger 8. The extracellular matrix in the dermis of the skin is synthesized by the Epidermal cells Fibroblasts Mast cells Basal epithelium 9.Anoikis is a form of cell death which arises when one of the following proteins detaches from extracellular matrix: Cadherin Integrin Selectin I CAM 10.Which of the following is the continuous channelformed by the cell membranes? Integrins Desmosomes Annular shell Peroxisomes Score = Correct answers: Tags: cell biology quiz Facebook Twitter