Chapter 14 Virus Review
The spikes covering the envelopes of some viruses allow them to (a) burst cell walls (b) attach to cells they infect (c) filter bacteria (d) protect against bacteria
b
Using viruses to transfer genes from one host cell to another is an example of (a) vaccination (b) parasitism (c) genetic engineering (d) retroviral reproduction
c
Viruses have none of the following except (a) nucleus (b) genetic material (c) cell membrane (d) cytoplasm
b
Which kingdom do viruses belong to (a) fungi (b) moneran (c) protist (d) none of the above
d
This type of virus has no distinct or uniform shape (a) binal (b) filovirus (c) helical (d) polyhedral
b
An example of a virus that goes thru the lysogenic cycle would be the (a) flu virus (b) chicken pox virus (c) ebola virus (d) cold sore virus
d
What do vaccines help the body to produce to help fight off viruses (a) Poisons (b) antibodies (c) extra skin layers (d) peculiar odors
b
In this type of virus, the nucleic acid is coiled inside a long narrow capsid (a) binal (b) filovirus (c) polyhedral (d) helical
d
Viruses can reproduce themselves (a) by splitting in two (b) inside a dead cell (c) only inside a living cell (d) with spores
c
Retroviruses contain all of the following structures except (a) reverse transcriptase (b) protein (c) RNA (d) DNA
d
A virus is a particle that consists of a core of nucleic acid and a (a) protein coat (b) bacterium (c) DNA (d) cell membrane
a
Organism that shelters and nourishes something
Host
Replication cycle that results in immediate cell death
Lytic Cycle
Single strand of pure RNA that causes plant diseases
Viroid
Contain a weakened or dead form of the virus
vaccine
Protein molecule that causes disease in animals
Prion
Viral DNA that becomes part of the host DNA
Provirus
Protein coat surrounding the nucleic acid
Capsid
Final Question
Replication cycle that does not immediately kill the host
Lysogenic Cycle
Know and explain lytic cycle Difference between lytic and lysogenic cycle Uses for virus