A miracle cure for ulcers

IB Biology: A miracle cure for ulcers

In this activity students learn about how stomach acid prevents the growth of all bacteria except one. Helicobacter pylori is a sneaky spiral pathogen which uses the enzyme urease to make ammonia and bicarbonate to neutralize stomach acid, to give you bad breath and gastric ulcers. The discovery of this bacteria caused a paradigm shift in medical thinking and is a great illustration of the nature of science. It is also...


To access the entire contents of this site, you need to log in or subscribe to it..

Click the free stuff button on the home page to access free pages or check the blog (which is also free).

All materials on this website are for the exclusive use of teachers and students at subscribing schools for the period of their subscription. Any unauthorised copying or posting of materials on other websites is an infringement of our copyright and could result in your account being blocked and legal action being taken against you.