The researchers are already working with food companies keen to see if their products can be made resistant to bacterial attack through alterations to the foods structure. Brocklehurst believes it will be possible to make the emulsions used in salad cream, for instance, more like that in butter. The key will be to do this while keeping the salad cream liquid and not turning it into a solid lump.
36. The significance of Brocklehursts research is that ____________.
A) it suggested a way to keep some foods fresh without preservatives
B) it discovered tiny globules in both cream and butter
C) it revealed the secret of how bacteria multiply in cream and butter
D) it found that cream and butter share the same chemical composition
37. According to the researchers, cream sours fast than butter because bacteria _________.
A) are more evenly distributed in cream
B) multiply more easily in cream than in butter
C) live on less fat in cream than in butter
D) produce less waste in cream than in butter
38. According to Brocklehurst, we can keep cream fresh by ___________.
A) removing its fat
B) killing the bacteria
C) reducing its water content
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