Collagen Structure and Organization Quiz
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Questions and Answers

Which enzyme is responsible for the formation of cross-links in extracellular matrix proteins?

  • Allysine
  • Lysyl oxidase (correct)
  • Protein-lysine 6-oxidase
  • Lysine residues

    • Which molecule serves as the substrate for lysyl oxidase?

  • Collagen molecules (correct)
  • Tropocollagen
  • Fibrils
  • Hydroxy-lysyl residues

    • What is the arrangement of adjacent tropocollagen molecules in the fibrillar array?

  • Overlapping pattern
  • Staggered pattern (correct)
  • Parallel pattern
  • Ordered pattern

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