Viruses

Question 1

Use your understanding of viruses to answer the following questions. Viruses are considered to be

Revolt · Accepted Answer

B: nonliving.

Question 2

Question 2

Revolt · Accepted Answer

D

Question 3

Which of the following illustrates a complex virus?

Revolt · Accepted Answer

D: mc001-4.jpg

Question 4

Indicate whether each is characteristic of lytic or lysogenic reproductive cycle. viral DNA merges with host cell DNA no symptoms viral DNA takes over virus does not destroy host cell virus destroys host cell induces symptoms of viral infection cell reproduces and spreads provirus

Revolt · Accepted Answer

Selection 1: lysogenic; Selection 2: lysogenic; Selection 3: lytic; Selection 4: lysogenic; Selection 5: lytic; Selection 6: lytic; Selection 7: lysogenic

Question 5

The diagram to the right represents the lytic cycle. What is occurring at step C?

Revolt · Accepted Answer

D: The new viral nucleic acid and viral proteins are replicated.

Question 6

The diagram to the right represents the lysogenic cycle. What is occurring at step D?

Revolt · Accepted Answer

C: The provirus leaves the host cell’s nucleic acid.

Question 7

Use your understanding of prevention and treatment of viruses to answer the questions below.A is a substance containing incomplete portions of a virus that produce an immune response when injected into the body.

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PENDING

Question 8

Indicate whether the characteristics below are of a virus or a cell. smallest unit of life hijacks host in order to reproduce contains DNA, ribosomes, and cytoplasm able to grow and reproduce on its own contains nucleic acid and capsid

Revolt · Accepted Answer

B: cell

Question 9

Question 9

Revolt · Accepted Answer

B

Question 10

Why are vaccines useful?

Revolt · Accepted Answer

C: They are able to help the body build an immune response against the virus.

Viruses Answers

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