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Test 11
Tset answer
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Test 11: Viral Replication Multiple Choice (choose one answer)

1. The protein coat structure of the virus is called a:

A.coat B.envelop C.receptor D.capsid

2. The composition of the envelop of some viruses is:

A.phospholipids and proteins coded by the viral genome

B.phospholipids and proteins coded by the host genome

C.phospholipids coded by the host genome and proteins coded by the viral genome

D.phospholipids coded by the viral genome and proteins coded by the host genome

3. A cell that permits viral replication is called:

A.productive B.abortive C.permissive D.restrictive

4. The receptor for the human immunodeficiency virus is the:

A.CD3  B.CD4  C.heparin sulfate D.neuraminidase

5. The receptor for herpesvirus is:

A.CD3  B.CD4  C.heparin sulfate D.neuraminidase

6. Which of the following are the first products produced by minus strand viruses?

A.RNA B.DNA C.protein D.envelop

7. Which of the following are the first products produced by HIV?

A.RNA B.DNA C.protein D.envelop

8. Viruses that reproduce by budding:

A.demonstrate single step growth kinetics

B.demonstrate continuous growth kinetics

C.do not have an eclipse period

D.have high burst sizes

9. Which of the following is considered a lysogenic phage?

A.fd  B.φχ174  C.T4   D.λ

10. Viral particles can be identified within the cell at all stages except:

A.attachment  B.eclipse  C.latent D. Lysis

11. Bacteriophage that incorporates its genome into the host chromosome are called:

A.abortive   B.lysogenic  C.lyticD. Restrictive

12. In some cases intact viruses are not needed to infect a cell. Infectious protein molecules that can cause disease are given the term:

A.prions B.viroids C.capsomers D.Virions

13. Which of the following is considered an oncogenic virus?

A.HTLV  B.SV40   C.RSV  D.Influenza

14. Replication of animal or bacterial viruses can be demonstrated by visually counting the number of ______on a plate.

A.lawns  B.viral particles  C.cells   D.Plaques

15. The replication of retroviruses proceeds by:

A.synthesis of a DNA strand from the RNA template utilizing viral DNA polymerase B.synthesis of a DNA strand from the RNA template utilizing host DNA polymerase C.synthesis of a DNA strand from the RNA template utilizing viral RNA polymerase D.synthesis of a DNA strand from the RNA template utilizing host RNA polymerase

Stages of Viral Replication Put the following stages of viral replication in the correct order:

(a) synthesis of viral proteins

(b) release of viral genome

(c) release of viral particles

(d) attachment

(e) assembly

(f) penetration

(g) synthesis of nucleic acids Matching

l. polio virus a. retrovirus

2. adenovirus b. DNA virus

3. HIV c. double-stranded RNA virus

4. reovirus d. single-stranded RNA virus

1. Qβ a. double-stranded DNA

2. φχ174 b. single-stranded DNA

 3. T4 c. single-stranded linear RNA

4.φ6 d. double-stranded linear RNA