21 Biotechnology and genetic modification

Practice questions on Biotechnology and genetic modification

• Golden rice is a genetically modified crop that produces beta carotene, which the human bo… (4 marks, Describe)
• Evaluate the use of genetic modification to produce insulin in bacteria as a treatment for… (4 marks, Evaluate)
• Describe how bacteria are genetically engineered to produce human insulin. (4 marks, Describe)
• Lactase is used in the food industry to produce lactose-free milk. Explain why lactose-fre… (4 marks, Explain and Describe)
• Describe how pectinase is used in the production of fruit juice, and explain why this enzy… (4 marks, Describe)
• Explain how biological washing powders remove food stains from clothing at low washing tem… (4 marks, Explain)
• Describe how fermenters are used to produce penicillin from the fungus Penicillium on a la… (4 marks, Describe)
• Describe how a fermenter is used to produce penicillin from Penicillium, and explain why t… (4 marks, Describe and Explain)
• Describe how pectinase is used in the production of fruit juice, and explain why its use i… (4 marks, Describe)
• Explain why biological washing powders are able to remove food stains from clothes at lowe… (4 marks, Explain)
• Describe how lactase is used to produce lactose-free milk, and explain why this product is… (4 marks, Describe and Explain)
• Describe how a gene is inserted into a bacterial plasmid to produce a recombinant plasmid … (4 marks, Describe)
• Describe how yeast is used in bread-making and explain how the process causes dough to ris… (4 marks, Describe)
• Explain why bacteria are considered particularly useful organisms for producing human insu… (4 marks, Explain)
• Genetic modification can be used to produce crops with beneficial characteristics. Describ… (4 marks, Describe)