State the name of the bond in molecule A that the arrow points to.
Molecule B is described as a saturated fatty acid. State why molecule B is given this description.
Molecule D is a polymer. State the monomer used to synthesise this polymer.
State the letter of the molecule that could be produced by hydrolysis of a polypeptide.
State the letter of the molecule that is a component of the cell surface membranes of eukaryotic cells.
Molecule A and molecule C dissolve in water. Molecule B does not dissolve in water. Explain why molecule A and molecule C dissolve in water, whereas molecule B does not dissolve in water.