Why does putting honey on a cut kill the bacteria within it?
The water potential in bacterial cells is higher than that of the honey, meaning that water leaves the bacterial cells by osmosis. This loss of water denatures the bacterial cells as it stops metabolic reactions taking place.
AH
Related Biology A Level answers
All answers ▸Mr & Mrs Smith have a child who has Cystic Fibrosis, yet they do not personally suffer from the condition. Explain, with the use of genetic crosses, how this is possible and, if they had another child, how likely the second child will have Cystic Fibrosis
How are some plants able to fix gaseous nitrogen from the atmosphere?
Name the order of taxon classifications starting with domain and a key feature of each of the domains.
How does the structure of glycogen relate to its function?