Exam 10: Viruses

Which of the following explains how DNA tumor viruses may cause human cancers?

Diseases such as Creutzfeld-Jacob disease,kuru,and mad cow disease are caused by

A prion is made of which of the following?

Because viruses such as bacteriophages lead to bursting of the bacterial host cell they are known as ________ viruses.

Why was it previously believed that only DNA viruses can cause cancer? How can RNA viruses cause cancer?

Bacteriophages contain the enzyme lysozyme,which is used to

The advantage of the viral envelope includes:

Which of the following is a FALSE statement about yellow fever?

Temperate phages

A latent viral infection is an infection in which

The families of RNA viruses are distinguished from one another by all of the following except

A viral infection is ineffective by the treatment of anti-RNA drug. The most likely reason is that this virus is a

Severe acute respiratory syndrome (SARS)is a viral respiratory illness that was first reported in Asia in 2003. Which of the following viruses was identified as the cause for SARS in humans?

Viral DNA lying within a bacterial chromosome is called a ________ while the combination of a bacterial cell and its temperate phage is called a ________.

Viruses that have a single strand of RNA that acts as a template for DNA synthesis are known as

Bacteriophage DNA is transcribed to mRNA during the ________ phase of viral replication.

Which of the following is used by negative strand RNA viruses such as measles and influenza during their replication cycle?

Growth of a bacterium which contains a prophage represents a

Which of the following structures do viruses use to attach themselves to the host cell and help viruses enter the host cells?

Which of the following viruses are known for causing latent infections?