O Levels Biology (5090)•5090/11/O/N/20

Explanation
Single Cell Protein Production Independence from Climate
Steps:
- Single cell protein (SCP) is produced via microbial fermentation in controlled bioreactors.
- Meat protein relies on livestock farming, which depends on natural environmental conditions.
- Evaluate options by comparing production factors: time, space, climate, and composition.
- Identify the accurate comparison based on controlled vs. variable production methods.
Why C is correct:
- SCP production occurs in enclosed, regulated fermenters with stable temperature and nutrients, unaffected by external weather, unlike meat production impacted by droughts or floods.
Why the others are wrong:
- A: SCP production is actually slower in scaling up cultures compared to rapid animal growth phases in intensive farming.
- B: SCP requires far less land than extensive grazing or feed crop areas for meat.
- D: SCP typically has variable fat content and minimal dietary fiber, unlike some plant-based proteins.
Final answer: C
Topic: Biotechnology
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