Unit 21 · Biotechnology and Genetic Modification
Question Bank
Cambridge IGCSE Biology 0610 · 70 questions
Q1Biotechnology and Genetic Modification
Which enzyme joins DNA fragments together?
(a)Restriction enzyme
(b)DNA ligase
(c)Pectinase
(d)Lactase
Correct answer: (b) DNA ligase
Explanation: Ligase seals the gene into the plasmid; restriction enzymes cut DNA.
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21.1 Biotechnology and genetic modificationBiotechnology and Genetic Modification Tags