11 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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6.12 Restriction enzymes and ligase
Exam question
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Describe the roles of restriction enzymes and ligase in genetic modification.
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Total for this question: 3 marks
6.12 Restriction enzymes and ligase
Exam question
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What do restriction enzymes produce?
(1)Total for this question: 1 mark
6.12 Restriction enzymes and ligase
Exam question
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Explain why the same restriction enzyme is used to cut the plasmid and the human DNA.
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Total for this question: 2 marks
6.12 Restriction enzymes and ligase
Exam question
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Explain why sticky ends are useful.
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Total for this question: 2 marks
6.12 Restriction enzymes and ligase
Exam question
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State the enzyme that joins DNA fragments.
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Total for this question: 1 mark
6.12 Restriction enzymes and ligase
Exam question
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Explain why restriction enzymes only cut at certain places.
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Total for this question: 2 marks
6.12 Restriction enzymes and ligase
Exam question
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Identify the term for DNA that contains genes from two different organisms.
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Total for this question: 1 mark
6.12 Restriction enzymes and ligase
Exam question
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Suggest why bacteria naturally produce restriction enzymes.
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Total for this question: 2 marks
6.12 Restriction enzymes and ligase
Exam question
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Describe what is meant by a sticky end.
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Total for this question: 2 marks
6.12 Restriction enzymes and ligase
Exam question
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Explain why ligase is needed even though sticky ends pair.
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Total for this question: 2 marks
6.12 Restriction enzymes and ligase
Exam question
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Give the type of DNA molecule often cut open to carry a human gene into bacteria.
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Total for this question: 1 mark
