CH 13 End of Chapter Questions

Place the following in the most likely order for biosynthesis of a bacteriophage:

(1) phage lysozyme; (2) mRNA; (3) DNA; (4) viral proteins; (5) DNA polymerase.

2, 5, 3, 4, 1

The molecule serving as mRNA can be incorporated in the newly synthesized virus capsids of all of the following except

- strand RNA rhabdoviruses.

A virus with RNA-dependent RNA polymerase

synthesizes double-stranded RNA from an RNA template

Which of the following would be the first step in the biosynthesis of a virus with reverse transcriptase?

A complementary strand of RNA must be synthesized

An example of lysogeny in animals could be

latent viral infections.

The ability of a virus to infect an organism is regulated by

All of above

Which of the following statements is false?

-Viruses contain DNA or RNA.

-The nucleic acid of a virus is surrounded by a protein coat.

-Viruses multiply inside living cells using viral mRNA, tRNA, and ribosomes.

-Viruses cause the synthesis of specialized infectious elements.

-Viruses multiply inside living cells.

Viruses multiply inside living cells using viral mRNA, tRNA, and ribosomes.

Place the following in the order in which they are found in a host cell: (1) capsid proteins; (2) infective phage particles; (3) phage nucleic acid.

-1, 2, 3

-3, 2, 1

-2, 1, 3

-3, 1, 2

-1, 3, 2

3,1,2

Which of the following does not initiate DNA synthesis?

a single-stranded RNA virus (Togaviridae)

A viral species is not defined on the basis of the disease symptoms it causes. The best example of this is

-polio.

-rabies.

- hepatitis.

-chickenpox and shingles.

-measles.

Hepatitis