1
Q
what is lysozyme
A
an enzyme that breaks down the cell wall of some types of bacteria
2
Q
what is a lysozyme
A
a chemical defense because it reacts with substances in the pathogen which kills pathogens
3
Q
where is lysozyme found
A
in tears, saliva and mucus.
4
Q
why is mucus a defense mechanism
A
it helps protect pathogens entering the body
5
Q
how can sexually transmitted infections be reduced
A
using interception e.g. condoms
