Communicable Diseases Errors

Question 1

Define vector

Answer 1

An organism that moves a pathogen between organisms

Question 2

Which types of antibody bind to the surface of pathogens

Answer 2

Opsonins
Agglutinins

Antitoxins bind to the surface of the toxin produced rather than the actual antigen

Question 3

Is Callose deposition a physical or chemical defence against the spread of pathogen

Answer 3

Callose deposition acts as a physical barrier against pathogens
Chitinase acts as a chemical barrier - hydrolyses pathogen as well as antimicrobial compounds produced by the plant