CAIE IGCSE Biology 21.3.3 Process of Genetic Modification Using Questions
Practise sequencing restriction enzymes, sticky ends, DNA ligase and recombinant plasmids to make human proteins in bacteria.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- use the same restriction enzyme to cut the human gene and plasmid, forming complementary sticky ends
- join the gene and plasmid with DNA ligase to form a recombinant plasmid
- sequence plasmid insertion, bacterial multiplication and expression of the human protein
CAIE IGCSE Biology 21.3.3 Process of Genetic Modification Using Questions question 1
Bacteria are useful in biotechnology and genetic engineering.
Fig. 6.1 shows a photomicrograph of a bacterium.
Fig. 6.1
Genetically modified bacteria can produce human insulin.
Insulin is a protein.
Describe the process of using bacteria in genetic engineering to produce human proteins.
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