Characteristics
The host cell bursts or ____ in this part of the _____ cycle
Lyses lytic
What are two methods of infection?
Contact
Airborne
Are Viruses living or non-living?
List one reason why
What is non-living
No organelles
No metabolism
Cannot reproduce on their own
In order to inject DNA or RNA into the host cell, there needs to be a match between what?
What is host cell's receptor cells and the virus surface markers
What is the primary function of vaccines?
To stimulate the antibody response
Why do antibiotics not work against viruses?
Antibiotics target bacterial cells
Why are viruses host- specific?
Viruses can only attach to certain cells of certain organisms due to the specificity of the surface markers and receptor cells
When a virus's genetic material is incorporated into the host cell's genetic material, this part of which cycle?
What is lysogenic
What is the enzyme found in retroviruses?
Reverse transcriptase
Why do viruses require a host to replicate?
They lack the cell machinery and cannot produce energy independently
What is an advantage of the lysogenic cycle?
It can remain undetected in the population and mutate undiscovered
what is the role of antibodies?
Proteins that identify and neutralize foreign invaders
What is a retrovirus? How does it differ from other viruses?
A retrovirus contains RNA and Reverse transcriptase and must change its RNA into DNA before it can splice into the host DNA during the lysogenic cycle
What is an advantage of lytic cycle?
What is replication of new virus is fast and spread is much quicker
What is a common animal vector that can carry disease?
What is mosquitos, fleas, ticks, mites (insects in general)
Why is it easier for your body to fight an infection the 2nd time around
The immune response is much larger and faster because your body remembers