Page 162 - SUBSEC October 2017_Neat
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(iii) Compound X is a substance that has two parts, Part 1 and Part 2. Part 1 can be digested
ONLY by arginase and Part 2 ONLY by salivary amylase. Both enzymes are required
for the complete digestion of compound X.
Determine the optimal pH at which BOTH of these enzymes together digest compound
X.
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[1 mark]
(iv) Explain the results seen for salivary amylase at pH 5 and 7.
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[3 marks]
(b)
(i) Which graph line represents the enzyme-catalysed reaction? DO NOT WRITE IN THIS AREA
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[1 mark]
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