Ch38: Viruses

What term refers to the fact that viruses need a host to replicate?

• Obligate parasites

• Obligate aerobes

• Obligate anaerobes

• Facultative parasite

From which biochemical component are viral coats made?

• Lipids

• Carbohydrates

• Protein

• Phosolipid

Which of the following is found in a virus?

• Nucleus

• DNA or RNA

• Mithochondria

• Ribosomes

What type of virus infects bacteria?

• Bacteriophage

• Bacteriocyte

• Monocyte

• Penicillium

Which of the following features of a virus show that is non-living?

• Contain genetic material (DNA or RNA)

• Have a protein coat

• Can replicate (inside a living cell)

• Cannot replicate by themselves

Which of the following CAN NOT be used to treat viral infections?

• Antibiotics

• Vaccinations

• Antibodies

• Phagocytes

Which of the following is a beneficial effect of viruses?

• Cause human diseasee such as colds and influenza

• Cause animal diseases such as rabies

• Used in genetic engineering to transfer genes

• Used to infect plant cells

What term is used to describe how viruses are used to transfer genes from one organism to another?

• Vector

• Obligate parasite

• Capsid

• Lysis