Tuberculosis and Acquired Immunodeficiency Syndrome (AIDS) are caused by two different infectious agents. Tuberculosis is caused by the bacterium, Mycobacterium tuberculosi
immunodeficiency virus. What is the difference between the infectious agents that cause these two diseases?
A)One has a nucleus, while the other has free genetic material.
B)One holds genetic material, while the other is only made of proteins
C)One is a living organism, while the other requires a host to be active
D)One is visible only with a microscope, while the other is visible to the naked eye.
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