Biology of The Flu P.1

Question 1

Which of the following is a characteristic of all living things?

Answer 1

All living thing maintain a consistent internal environment.

Question 2

In the _________ cycle, following penetration into the cell, the viral DNA integrates into the hosts cell’s DNA. the virus remains inactive (or latent)

Answer 2

Lysogenic

Question 3

The cycle of viral infection that will rapidly result in the death of a bacterial cell is called the _____ cycle.

Answer 3

Lytic

Question 4

Which of the following types of cells would a flu virus most likely target as the means of entry into the body?

Answer 4

epithelial cells lining the respiratory system

Question 5

Which of the following is only true of RNA, but not DNA?

Answer 5

Adenine pairs with uracil

Question 6

What is the correct sequence of events in viral reproduction>

Answer 6

attachment, penetration, biosynthesis, maturation and release

Question 7

_________ acts as an alarm to the organ systems of the body, alerting them that a pathogen is present

Answer 7

Cytokines

Question 8

Giant viruses are challenging the historical notion that viruses are nonliving things. What characteristics do giant viruses posses that makes scientists think twice about their classification?

Answer 8

They have the ability to manufacture their own proteins without the help of a host cell

Question 9

Which of these is the best description of a virus?

Answer 9

chemical complexes of RNA or DNA protected by a protein shell

Question 10

What is a virus made of?

Answer 10

A protein capsid and genetic materials, in the form of either RNA or DNA