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Questions and Answers
What percentage of the total protein of mammals does collagen constitute?
What percentage of the total protein of mammals does collagen constitute?
- 40 to 50%
- 60 to 70%
- 25 to 35% (correct)
- 15 to 20%
What is the primary structural component of tendons and cornea?
What is the primary structural component of tendons and cornea?
- Type I collagen (correct)
- Type III collagen
- Type IV collagen
- Type II collagen
Which type of collagen is primarily found in cartilaginous structures?
Which type of collagen is primarily found in cartilaginous structures?
- Type II collagen (correct)
- Type III collagen
- Type I collagen
- Type IV collagen
What is the primary function of type IV collagen?
What is the primary function of type IV collagen?
What is the characteristic of type III collagen fibers?
What is the characteristic of type III collagen fibers?
Which type of collagen is classified as fibril-associated collagen?
Which type of collagen is classified as fibril-associated collagen?
Which enzyme oxidatively deaminates lysine and hydroxylysine residues in collagen?
Which enzyme oxidatively deaminates lysine and hydroxylysine residues in collagen?
What is a characteristic feature of skin in Ehlers-Danlos syndrome?
What is a characteristic feature of skin in Ehlers-Danlos syndrome?
Which type of collagen is most commonly defective in the classic form of Ehlers-Danlos syndrome?
Which type of collagen is most commonly defective in the classic form of Ehlers-Danlos syndrome?
What is the primary function of elastin in connective tissue?
What is the primary function of elastin in connective tissue?
What is the main characteristic of osteogenesis imperfecta?
What is the main characteristic of osteogenesis imperfecta?
Which of the following is NOT a clinical manifestation of Ehlers-Danlos syndrome?
Which of the following is NOT a clinical manifestation of Ehlers-Danlos syndrome?
What is the primary function of elastin in the extracellular matrix?
What is the primary function of elastin in the extracellular matrix?
What is the underlying cause of osteogenesis imperfecta?
What is the underlying cause of osteogenesis imperfecta?
Which of the following is a characteristic of collagen?
Which of the following is a characteristic of collagen?
What is the name of the group of genetic disorders caused by defects in specific components of proteoglycans?
What is the name of the group of genetic disorders caused by defects in specific components of proteoglycans?
Ehlers-Danlos syndrome is a connective tissue disorder characterized by?
Ehlers-Danlos syndrome is a connective tissue disorder characterized by?
What is the primary function of fibronectin in the extracellular matrix?
What is the primary function of fibronectin in the extracellular matrix?
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