(a(i))[2]
Complete Fig. 5.1B to show the glycine molecule attached to the end of the polypeptide.
(a(ii))[1]
State the type of reaction that takes place when glycine is added to the end of the polypeptide.
(a(iii))[2]
Explain the importance of glycine in a collagen molecule.
(b)[4]
Explain how the structure of collagen is linked to its functions in the mammalian body.
(c)[5]
Describe the mode of action of collagenase.
(d)[4]
With reference to Fig. 5.2, describe and explain the effect of pH on the activity of collagenase.