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Viruses

Viruses
Enveloped viruses have a __________ shape.

icosahedral
helical
complex
roughly spherical

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Viruses
Which of the following may affect proteins and nucleic acids, but not viruses?

Pressure
All of these
Denaturation
Enzyme treatment

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Viruses
The infected cells continue to reproduce themselves as well as the virus, and the mature virions are extruded from the cell surface continuously over a long period of time. This type of release mechanism is called a

productive infection
resultant infection
inductive infection
all of these

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Viruses
The extracellular phage number increases until a constant titer at the end of the multiplication cycle. This time interval is termed as

rise period
latent period
eclipse period
burst size

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Viruses
Enzyme neuraminidase is carried by which of the following viruses?

Adenovirus
Influenza virus
Epstein-Barr virus
Human immunodeficiency virus

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Viruses
Bacteriophages have been used widely in genetic research, since they are the smallest and simplest biological entities capable of

multiplication
self-replication
duplication
self-duplication

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