(a)[4]
Complete Table 4.1 by placing a tick (✓) beside every statement that applies to each molecule. Put a cross (\times) beside statements that do not apply. Some of the boxes have already been filled in for you.
(b)[3]
Fig. 4.1 presents two amino acids. Complete Fig. 4.1 to illustrate how a peptide bond forms between these two amino acids.
(c)[2]
Some glycoproteins in cell surface membranes act as transport proteins. State two other functions of glycoproteins in cell surface membranes.