Biotechnology — Cambridge IGCSE Biology
Why bacteria are useful, yeast for biofuels and bread, enzymes in industry, and fermenters for making insulin, penicillin and mycoprotein.
Revision notes
4 short notes, in the order of the specification.
- Why bacteria are useful
- Yeast: biofuels and bread
- Pectinase, biological washing powders and lactasePractical
- FermentersSupplement
Exam questions
8 exam-style questions (26 marks), each with its mark scheme.
Answer the questionsFlashcards
17 cards: flip them, mark what you knew, and practise the rest.
Practise the cardsMind map
The whole of biotechnology and genetic modification on one page, so you can see where this subtopic fits.
Open the mind mapPractical sheet
Method, variables, risks and a results table, with questions to answer.
Print it
Free PDFs to print or save.