Communicable diseases + pathogens Flashcards
1
Q
what is a pathogen?
A
a micro-organism that causes disease
2
Q
what are the different types of a pathogen?
A
- bacteria
- virus
- fungi
- protist
3
Q
how does a virus spread?
A
by inserting genes into cells which causes them to produce more copies
4
Q
what are some examples of a virus?
A
measles, HIV, AIDS
5
Q
how does bacteria spread?
A
releasing toxins into the body that damage cells
6
Q
examples of bacteria?
A
salmonella, gonorrhoea
7
Q
how does fungi spread?
A
damages cells
8
Q
examples of fungi?
A
warts, athletes foot
9
Q
how does protists spread?
A
single celled organisms
10
Q
example of protists?
A
malaria
11
Q
what is rose black spot?
A
- fungus
- causes leaves to fall of plants
- leaves black spots
12
Q
what is tobacco mosaic?
A
- virus in plants
- discolours leaves
- less chlorophyll can be produced
- stunts plant growth
