immunity Flashcards
1
Q
what is a pathogen?
A
an organism or virus causing disease
2
Q
what is an antigen?
A
a molecule recognised as ‘non-self’ that triggers an immune response
BIOLOGY - CELLS > immunity > Flashcards
what is a pathogen?
an organism or virus causing disease
what is an antigen?
a molecule recognised as ‘non-self’ that triggers an immune response