- The sum of old and new cases of a disease is called
(a) incidence
(b) prevalence rate
(c) morbidity rate
(d) prevalence - Convalescent carriers are individuals who develop chronic infections and
transmit them for long periods of time.
(a) True
(b) False - A lytic virus injects nucleic acid into a host cell.
(a) True
(b) False - A bacteriophage is
(a) a virus that can be killed by antibiotics
(b) a virus that acts like a bacterium
(c) a bacterium that acts like a virus
(d) none of the above - A small infectious particle that contains a protein is called a
(a) viroid
(b) capsid
(c) viron
(d) none of the above - What is a capsid?
(a) A capsid is the membrane bilayer of a virus.
(b) A capsid is the protein coat that encapsulates a virus.
(c) A capsid is another name for a bacteriophage.
(d) A capsid is the envelope around a virus. - A free virus particle is
(a) another name for a virus
(b) a synthesized virus
(c) a viron
(d) a mature virus
(^260) Final Exam
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