Pathogens are disease-causing organisms which can infect humans. Bacteria and viruses are two examples of pathogens. Explain the differences between bacteria and pathogens and give an example of each.

Bacteria:Contain naked DNAHave a cell wall, membrane and organelles - RibosomesAre cellsLarger than virusesCan survive without living hostCan be treated with antibioticsexample: Staphylococcus aureusViruses:Are much smaller than bacteriaEnter living host cellsDo not have a cell wall or organelles- protein coat, capsid, DNA or RNAUse host cell machinery to reproduceDestroy host cell to spread viral particlesCannot survive without a living hostDo not respond to antibioticsExample: Human Immunodeficiency Virus (HIV)

TG
Answered by Tabitha G. Biology tutor

2429 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Describe the process of Eutrophication?


Explain how xylem vessels are adapted to carry out their functions in plants. 4 marks


Describe the process of phagocytosis of a pathogen.


Q: Give 2 advantages of using stents over CABG for coronary heart disease.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning