Unit 13: Microbiology & The Immune System Flashcards
0
Q
Three parts of a virus
A
Genetic material (DNA or RNA never both) Capsid covering (protein) Surface proteins (antigens)
1
Q
Parasite
A
Need a host to reproduce
2
Q
Viruses are not alive (true or false)
A
True
3
Q
Lytic cycle
A
Attach Invade Copy Assemble Release (lyse)
4
Q
Lysogenic Cycle
A
Attach Invade Hide out Copy Assemble Release
5
Q
DNA viruses
A
Contain only DNA for genetic material
Disables cells DNA
Goes through regular protein synthesis
6
Q
RNA viruses
A
More likely to mutate
~70% of viruses
Common cold
Cell starts making virus ribosomes
7
Q
Only _______ can destroy viruses
A
The body’s immune system
8
Q
Antibiotics
A
Don’t work
Target specific living cells (bacteria) and viruses are not made of bacteria
9
Q
Prevention
A
Vaccines
10
Q
Genetic engineering
A
Viruses target specific cells that have good genes so every time the cell divides the good genes are replicated
11
Q
Typical prokaryote structure
A
DNA Cell membrane Cell wall Cytoplasm Ribosomes
12
Q
Some prokaryotes have
A
Flagella (tail to move)
Pili (oars)
13
Q
Coccus
A
Spherical
14
Q
Bacillus
A
Rod shaped
