Biology 5090 · O Level · Biological molecules

Biological molecules — practice question

Larger molecules in cells are formed from smaller molecules.
(a)[3]

Complete Table 1.1 by matching each large molecule with the small molecules that combine to make it. Select the small molecules from this list: amino acids, fatty acids, glucose, glycerol, nucleotides.

(b)[2]

Place a tick (✓) beside any statements that correctly describe the structure of DNA.

(c)[3]

Explain how the sequence of bases in a DNA molecule controls the way a cell functions.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: proteins are made from amino acids

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