6. If someone is lactose intolerant, what does this mean?
They lack the enzyme pectinase, which means the sugar lactose isn't broken down and gut bacteria ferment it
They lack the enzyme lactase, which means the sugar lactose isn't broken down and gut bacteria ferment it
They lack the enzyme rennet, which means the sugar lactose isn't broken down and gut bacteria ferment it
7. What do diabetics use to measure their blood glucose concentration?
Reagent strips with immobilised enzymes
Reagent strips with normal enzymes
Benedicts solution with immobilised enzymes
8. What is lactose broken down into?
Glucose and galactase
Glucose and fructose
Fructose and galactase
9. What is the sugar lactose found in?
Milk
Meat
Chocolate
10. Name the steps in making lactose free milk.
1. Run the milk through a column of immobilised rennet 2. The enzymes convert the lactose into fructose and galactose 3. Only the enzymes emerge through the column, the products stay fixed in the column
1. Run the milk through a column of immobilised lactase 2. The enzymes convert the lactose into glucose and galactose 3. Only the products emerge through the column, the enzymes stay fixed in the column
1. Run the milk through a column of immobilised pectinase 2. The enzymes convert the lactose into glucose and fructose 3. Only the products emerge through the column, the enzymes stay fixed in the column
