What causes the phosphate heads of phospholipids to become polar?
A.
The phosphate heads are joined to water molecules by hydrogen bonds.
B.
The phosphate heads are insoluble in water.
C.
The phosphate heads become ionised in water.
D.
The phosphate heads are joined to water molecules by covalent bonds.
Exam No：9700_s24_qp_13 Year：2024 Question No：5
Answer:
C
Knowledge points:
2.4.1 explain how hydrogen bonding occurs between water molecules and relate the properties of water to its roles in living organisms, limited to solvent action, high specific heat capacity and latent heat of vaporisation
Solution:
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