2. Which of the following proteins of the ECM has a membrane bilayer-spanning do
ID: 27594 • Letter: 2
Question
2. Which of the following proteins of the ECM has a membrane bilayer-spanning domain? A. fibrillar collagen B. heparan sulfate proteoglycans C. fibronectin D. laminin 3. Embryos injected with antibodies to fibronectin show inhibited movement of neural crest cells during development of the nervous system. These experiments show that: A. development of the neural crest involves the expression of antibody genes. B. developing neurons must synthesize fibronectin. C. fibronectin-antibody complexes form pathways for neural migration. D. neurons in embryos must transiently bind to fibronectin during migration.Explanation / Answer
B. heparan sulfate proteoglycan