How does helicobacter pylori cause stomach ulcers?

It neutralises acid in the stomach and allows bacteria to damage the stomach epithelium.

SG

Related Biology GCSE answers

All answers ▸

State three ways in which a yeast cell differs from plant cells.


State whether arteries carry blood towards or away from the heart and then give two features of arteries relating to this role


A patient has the cold, explain to them why antibiotics can only be used to treat certain types of infection and the issues that develop when antibiotics are used too much.


As one of the body's homeostatic mechanisms, blood glucose levels are controlled for by the hormone insulin. Explain how the regulation in blood glucose differs in a healthy individual and in somebody with type 1 Diabetes?