Vocabulary
a tiny particle that contains nucleic acid
encased in protein
what is a virus?
What viruses need to reproduce
What are living things?
a nucleic acid encased in a protein
what is a virus?
They are made from weakened or dead viruses
What are vaccines?
the penetration of a virus or its nucleic acid into a host cell
what is a viral infection?
The method by which a virus infects a bacterium.
What is attaching to the cell wall and injecting genetic material?
The size of a virus compared to a cell
What is "extremely small"?
These prevent the same virus from infecting a person more that once.
What are memory cells?
a virus that infects bacteria
what is a bacteriophage?
the method by which a virus infects a plant or animal cell.
What is being engulfed by the host cell?
Structures that cells have that viruses do not.
The way viruses like influenza, common cold, and chicken pox are transmitted
What are droplets in the air?
a virus that carries its genetic material in the form of RNA
What is a retrovirus?
what bacteriophages do to host cell's DNA
What is destroying the host's cell's genetic material?
The shapes that viruses come in.
What are sphere-, rod-, spiral-, and thread-shaped?
The way Hepatitis B and rabies is transmitted.
What is the exchange of bodily fluids?
the RNA or DNA that a cell needs to reproduce itself
What is genetic material?
What retroviruses to to a host cell's DNA
What is embedding itself into the host cell's DNA?
the size range of viruses
What it 17nm to 300nm?
The way yellow fever is transmitted.
What is through mosquitoes?