2020HSCShort answer

Q32 (b) (i)

3 marks

Question

Use the information provided in Diagram 1 to explain why the rabies virus cannot be classified as a cellular pathogen.

Try the question before revealing the answer.

Solution

Criteria	Marks
• Explains a feature that distinguishes the rabies virus from cellular pathogens	3
• Outlines feature(s) that distinguish between viral and cellular pathogens	2
• Provides some relevant information	1

Sample answer:

The rabies virus has a small genome composed of single-stranded RNA but the genome of cellular pathogens such as bacteria is much larger and is in the form of DNA which enables complex cellular processes without a host.

Supplied marking guidance · human reviewed

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

Syllabus alignment

Module 7 · Infectious Disease

Causes of Infectious DiseaseDescribe infectious diseases caused by microorganisms, macroorganisms and non-cellular pathogens.

Spot a problem? Send feedback