Unit 5: Viruses

Question 1

What are the three phases of integration during lysogenic replication?

Answer 1

combination

dormancy

reactivation

Question 2

Which line of defense does your immune system fall within?

Answer 2

3rd

Question 3

What type of virus is this?

Answer 3

icosahedral

Question 4

What type of virus is this?

Answer 4

helical

Question 5

What are the 5 phases of lytic replication?

Answer 5

attachment

penetration

synthesis

assembly

release

Question 6

Which type of genetic recombination involves a virus?

Answer 6

transduction

Question 7

Which line of defense does your skin fall within?

Answer 7

1st

Question 8

Which type of viruses attacks animals

Answer 8

icosahedral viruses

Question 9

Virues are extremely small, smaller than bacteria so they are known as….

Answer 9

submicroscopic

Question 10

What is found inside of a virus?

Answer 10

Nucleic acid

(RNA or DNA)

Question 11

In latin virus means….

Answer 11

poison

Question 12

Which line of defense targets a specific pathogen?

Answer 12

3rd

Question 13

For a virus that hides out in the body, where does it re-enter lytic replication?

Answer 13

at the synthesis phase

Question 14

Since viruses are inactive outside of host cells and must invade cells in or to be active, they are known as

Answer 14

pathogens or parasites

Question 15

What is the outside most layer of an animal virus

Answer 15

envelope

Question 16

Which structures of a virus allow it to attach to a host cell?

Answer 16

Surface proteins of the capsid or envelope

(like a lock and key with host cell’s surface proteins)

Question 17

What type of virus is this?

Answer 17

bacteriophage

Question 18

Which line of defense does a fever fall within?

Answer 18

2nd

(inflammatory response)

Question 19

Which type of viruses attacks bacteria?

Answer 19

bacteriophage

Question 20

What is a nucleic acid core surrounded by a proten coat called?

Answer 20

a virus

Question 21

All viruses begin with which type of replication as they infect a cell?

Answer 21

lytic

Question 22

For a virus such as HIV, where during the lytic process does it leave and enter into lysogenic replication

Answer 22

It leave lytic after the penetration step and enter at combination in lysogenic

Question 23

How many lines of defense are there within your body?

Answer 23

3

Question 24

Which type of viruses attacks plants?

Answer 24

helical viruses

Question 25

Since viruses don’t contain organelles they are referred to as ….

Answer 25

noncellular

(not alive)