In another experiment, test tube three was compared with test tube four - VCE - SSCE Biology - Question 8 - 2009 - Paper 1
Question 8
In another experiment, test tube three was compared with test tube four. Each tube contained 5 mL of lactose syrup. Tube three contained 0.5 mL of lactase and tube f... show full transcript
Worked Solution & Example Answer:In another experiment, test tube three was compared with test tube four - VCE - SSCE Biology - Question 8 - 2009 - Paper 1
Step 1
Identify the conditions in test tube four
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Answer
Test tube four contains 0.25 mL of lactase, which is a lower concentration compared to test tube three that has 0.5 mL. This is important because the amount of lactase influences the rate of glucose production.
Step 2
Analyze the expected result
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Answer
Given that test tube four has a lower concentration of lactase, the increase in the relative amount of glucose would likely be slower compared to test tube three. This suggests a delayed or reduced glucose production over the same time frame.
Step 3
Match with the provided options
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Answer
Considering the expected results, the graph for test tube four would show a gradual increase in glucose relative to time, resembling option C from the provided choices.
