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15. A difference between viruses and bacterial infections is:

5. Bacterial cells that cause infection and disease are:

27. A person carrying disease-producing bacteria or viruses with no recognizable symptoms of the disease is called a(n):

17. What is a highly infectious disease that infects the liver?

15. A difference between viruses and bacterial infections is:

5. Bacterial cells that cause infection and disease are:

27. A person carrying disease-producing bacteria or viruses with no recognizable symptoms of the disease is called a(n):

17. What is a highly infectious disease that infects the liver?

4. A type of nonpathogenic bacteria that live on dead or decaying organic matter are:

25. A local infection is often indicated by a pimple, inflamed area or: