Collagen molecules are joined to form fibrils by

  1. covalent cross-links with staggered ends
  2. hydrogen bonds to haem
  3. peptide bonds only
  4. hydrophobic tails
Answer

A) covalent cross-links with staggered ends

Cross-links and staggering give strength. AS & A Level Biology · Topic 2 Biological Molecules · 2.3 Proteins

Biology MCQ · More A Level Biology: Biological molecules MCQs · Practise