Radiographic studies of a 2 year old child brought to an emergency room reveal a new fracture of the humerus and evidence of multiple old fractures in ribs and long bones of the extremities. A social worker wants to initiate prosecution of the parents for child abuse, but an ale emergency room physician notices that, despite the broken arm, the toddler shows minimal bruising. A very careful, directed, physical examination reveals that the toddler has "peculiar teeth," a blue tinge to the sclera, and unusually mobile joints. The disease that the physician suspects the child has is characterized by an abnormality of which of the following biochemical functions?
Collagen type I synthesis Collagen type II synthesis Collagen type III synthesis Collagen type IV synthesis