Single cell protein Eggs& Milk Meat VEGETABLE PROTEIN Figure 4. 1 World protein consumption ∏ List three factors you think account for such variations in the sources of proteins between various parts of the world? essentially the answer is history, climate, culture and money! Historically, people to eat the food available locally, and this would be controlled by the local natSingle cell protein 61 Figure 4.1 World protein consumption List three factors you think account for such variations in the sources of proteins n between various parts of the world? Essentially the answer is history, climate, culture and money! Historically, people had to eat the food available locally, and this would be mntrolled by the local natural