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 ▸Describe how negative feedback is used to control blood glucose concentration
In which ways are the lungs adapted for efficient gas exchange?
Putting bee honey on a cut kills bacteria. Honey contains a high concentration of sugar. Use your knowledge of water potential to suggest how putting honey on a cut kills bacteria. (AQA BIOL1)
Explain the difference in the speed of conduction of an action potential along the length of a myelinated neurone and a non-myelinated neurone.