Foodborne IllnessCâu 38 / 240
In FAT-TOM, the 'Oxygen' factor matters because different bacteria have different needs. Which pairing is correct?
a.Some bacteria need oxygen (aerobic) while others, like Clostridium botulinum, grow without it (anaerobic)
b.No foodborne bacteria can grow without oxygen
c.Oxygen has no effect on bacterial growth
d.All foodborne bacteria require oxygen to grow
Giải thích
Bacteria vary in oxygen needs: aerobic bacteria require oxygen, while anaerobes such as Clostridium botulinum grow in oxygen-free environments like canned or reduced-oxygen-packaged foods. This is why reduced-oxygen packaging and canning create special botulism risks if not controlled. Oxygen clearly does affect which organisms grow.
Luyện miễn phí toàn bộ 240 câu hỏi — không cần đăng ký.
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