| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ1.8 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 8 | Adapted from | N/A |
Question
Which graph shows the effect of increasing substrate concentration on enzyme activity?
Markscheme
C
Examiners report
Questions 7, 8, 10, 11 and 12 also had relatively low discrimination indices because a high proportion of candidates answered them correctly, indicating either good knowledge or that these questions proved to be rather too easy.
Syllabus sections
Show 56 related questions
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- 17M.3.SL.TZ1.1b: One result in this experiment can be classified as an outlier as its value is very distant...
- 17M.3.SL.TZ1.1a: Outline what the standard deviations reveal about the data from this experiment.
- 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive...
- 17M.1.SL.TZ1.7: In an experiment the effect of changing pH on an enzymatic reaction is tested. Which could be...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
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- 16N.3.HL.TZ0.1b: Sketch on the graph the curve expected if the hydrolysis were performed using papain 0.5 %.
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- 16N.3.SL.TZ0.2c: Explain the importance of having equal quantities of the enzyme at the start of the experiment.
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- 15M.1.HL.TZ1.9: Why does exposure to high temperatures cause an enzyme to lose its biological properties?A....
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- 15M.1.HL.TZ2.11: Which is the activation energy of a reaction when it is catalysed by an enzyme?
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- 12M.1.HL.TZ1.9: Which graph shows the effect of increasing the substrate concentration on enzyme activity?
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- 09M.2.SL.TZ1.3b: Explain enzyme-substrate specificity.
- 09M.2.SL.TZ1.3a: Define active site.
- 09M.2.SL.TZ2.3b: Explain the effects of pH on enzyme catalysed reactions.
- 09M.1.HL.TZ2.34: Which of the following statements is true about enzymes? A. They are used up in the...
- 09M.1.SL.TZ1.11: What happens as an enzyme becomes denatured? A. The enzyme works faster. B. The enzyme works...
- 10M.2.HL.TZ1.2d: Simple laboratory experiments show that when the enzyme lactase is mixed with lactose, the...
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