1. Which of the following is not an example of a type of extracellular matrix? A

Question

1. Which of the following is not an example of a type of extracellular matrix? A. basement membrane B. the cornea of the eye C. intermediate filaments D. bone 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

A. basement membrane

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