1
Q
Viruses are so small it means…
A
-that they can’t be seen under a light microscope
2
Q
Why are viruses called acellular?
A
-because they are not made up of cells
3
Q
What happens when a virus invades a cell?
A
-able to take over the cells metabolism and multiply inside the host
4
Q
What is each virus particle made of?
A
-core of nucleic acid, either DNA or RNA, surrounded by a protein coat, the capsid
5
Q
The only characteristic of life a virus has is what?
A
-their ability to reproduce
6
Q
Viruses that affect humans
A
-flu
-cold
-HIV
7
Q
Viruses that affect plants
A
-Tobacco mosaic virus
-cauliflower mosaic virus
8
Q
Viruses that affect birds
A
-Avian flu
9
Q
Viruses that affect other mammals
A
-swine flu
-cow pox
Biology Unit 2
flashcards
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