2019HSCShort answer

Q31 (a)

2 marks

Question

Outline ONE adaptation of a specific pathogen that facilitates its entry into a host.

Try the question before revealing the answer.

Solution

Criteria	Marks
Outlines one adaptation that facilitates entry of a specific pathogen into its host	2
Provides some relevant information	1

Sample answer:

The bacterium Helicobacter pylori causes stomach ulcers in humans. It has a flagellum that allows it to move and penetrate the mucus lining/barrier of the stomach wall.

Supplied marking guidance · human reviewed

Compare this with your working, not only your final sentence.

Syllabus alignment

Module 7 · Infectious Disease

Causes of Infectious DiseaseCompare pathogen adaptations that enable entry into and transmission between hosts.

Spot a problem? Send feedback