CAIE IGCSE Biology 4.1.2 Building Large Biological Molecules

Practise matching starch, glycogen and cellulose to glucose, proteins to amino acids, and fats or oils to fatty acids plus glycerol without swapping their subunits.

Exam points

link glucose molecules to the formation of starch, glycogen and cellulose
link amino acids to proteins and glycerol to oils
reject incorrect subunit pairings when interpreting tables or multiple-choice statements

[Maximum number: 1]

Two functions of the alimentary canal are mechanical digestion and chemical digestion.

Substances that are absorbed from the alimentary canal may enter cells and become part of the cells.

State the storage carbohydrate made from glucose in liver cells.

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4.1.2—Large molecules are made from smaller question 1