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Question 18M.1.HL.TZ1.13

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.HL.TZ1.13
Level HL Paper 1 Time zone TZ1
Command term Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
18M.1.HL.TZ1.13

For what purpose are restriction endonucleases used in the laboratory?

A. To limit the length of DNA molecules in the nucleus

B. To cut specific base sequences to open DNA molecules

C. To prevent release of DNA from the nucleus

D. To protect viral DNA from digestion by bacterial enzymes

[1]

Markscheme

B