Biology 0610 · IGCSE · Enzymes

Enzymes — practice question

This question concerns enzymes. Use the words in the list to fill each gap. A word can be used once, more than once, or not used at all. amino acids, amylase, bacteria, biological, fatty acids, glucose, humidity, lipase, living, protease, salivary, temperature
(main)[7]

All enzymes are proteins. Proteins are made of [BLANK]. An enzyme functions as a [BLANK] catalyst. To work quickly, enzymes need the right [BLANK] and pH. An enzyme that works in the acidic conditions of the stomach is [BLANK]. Acidic conditions will kill many of the [BLANK] in food. Salivary [BLANK] does not work in acidic conditions. Fats are broken down by [BLANK].

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: amino acids

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