Viruses Answers

Many biologists debate how a virus should be classified. In 2008, scientists in France discovered that a virus was capable of infecting another virus. Which theory might be supported by this information?

Which occurs in both the lytic cycle and the lysogenic cycle?

Which virus has a structure that includes an outer lipid bilayer that is studded with proteins?

Which best describes viruses?

Which is included in a lysogenic cycle?

Consider the shape and structure of the virus in the diagram.Which viral shape is shown?

An enveloped virus is dependent on the envelope for its ability to infect a host cell. Which virus most likely uses this mechanism?

Which structure is present in bacteria but not in a virus?

What usually happens to the host’s DNA during the lytic cycle?

Which argument supports the idea that viruses are alive?