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Enzymes and biological molecules

Cell biology · Lesson 5 of 7

Lesson 5 of 7

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Lesson 5 of 7 · Cell biology

Enzymes and biological molecules

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State that carbohydrates, lipids and proteins are important biological molecules, and identify their main roles in cells and organisms at GCSE level.
Describe enzymes as proteins that act as biological catalysts and explain enzyme action in terms of a specific active site and substrate.
Explain the effects of temperature, pH, substrate concentration and enzyme concentration on enzyme activity, including the meaning of optimum conditions and denaturation.

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State that carbohydrates are broken down to simple sugars, proteins to amino acids and lipids to fatty acids and glycerol by enzymes during digestion.

Apply knowledge of amylase, protease and lipase to digestive contexts, including where they act and what they break down, where this is part of the cell biology treatment of biological molecules.

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