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WorksheetsViruses Part 1
Total questions: 14
Worksheet time: 7mins
Choose all that apply. Why are viruses considered non-living?
They contain genetic material (DNA or RNA)
They need a living cell to replicate/reproduce
They can replicate on their own
They are able to evolve
They do not contain a cellular structure
What type of virus uses the plasma membrane or the nuclear membrane of its host cell to create an outer layer of protection around itself?
Nonenveloped Virus
RNA Virus
Enveloped Virus
DNA Virus
What type of virus does not use the plasma membrane or the nuclear membrane of the host cell as a protective layer but instead maintains the capsid protein coat as the outermost layer?
Nonenveloped Virus
RNA Virus
Enveloped Virus
DNA Virus
What type of genetic material must a virus have in order to replicate?
Only RNA
Only DNA
Both DNA and RNA
Either DNA or RNA
What is the viral structure that consists of protein subunits that assemble in a repeating pattern to produce a helical or many-sided shape
RNA
DNA
Capsid
Envelope
Which viral structure's function is to protect the genetic material of the virus and facilitate delivery of the material into the host cell?
RNA
DNA
Capsid
Envelope
Which of the following is defined as a free viral particle, including the viral genome and a protein coat?
Virus
Virion
Viroid
Which of the following is a type of virus that infects bacteria?
Nonenveloped Virus
Enveloped Virus
Bacteriophage
Viroid
Which of the following virus types has a complex structure including a capsid and another protein component that allows is to pierce the cell wall of its host?
Nonenveloped Virus
Enveloped Virus
Bacteriophage
Viroid
Which of the following virus types infect commercially valuable plants and cause disease?
Nonenveloped Virus
Enveloped Virus
Bacteriophage
Viroid
Why do viruses ultimately decrease an organism's fitness?
They replicate inside of their cells
They decrease the ability to survive & reproduce
They use the plasma membrane to create an envelope
They use the plasma membrane to create a capsid
Which of the following viral strain infects chimpanzees in Africa?
HIV
SIV
AIDS
Adenoviruses
Which of the following viral strains infects human white blood cells?
HIV
SIV
AIDS
Adenoviruses
How did SIV evolve into HIV?
Humans with SIV interacted with and infected chimps
Chimps with HIV interacted with and infected humans
Humans interacted with chimps infected with HIV
Humans interacted with chimps infected with SIV
