b6.3.2 spread of communicable diseases Flashcards
1
Q
how can pathogens spread between animals
A
cuts in the skin
when food/ drink is shared
inhaling pathogens
during sexual intercourse
2
Q
how can pathogens spread between plants
A
vectors
direct contact of sap from an infected plant
wind
3
Q
what is the incubation period
A
the time it takes when a microorganism enters your body and you actually feeling unwell
4
Q
what are the steps a virus takes to replicate itself
A
- virus attacks a cell
- inserts its new genes
- tells the nucleus to copy the genes
- new viruses are made
- they leave the cell
5
Q
how does the virus get into the cell
A
the proteins on the outside change shape to make it seem as if itis a part of the body, which is why the cell allows it inside