AS and A2 practicals

 

 
gravimetric.doc determine the water potential of a potato using the gravimetric method
onion.doc look at plasmolysis in onion cells
beetroot.doc the effect of temperature on membrane permeability in beetroot
jtube.doc comparison of inspired and expired air
chromatography.doc paper chromatography for separation of amino acids
lambda.doc writing-up instructions for the NCBE DNA gel electrophoresis activity
maggot.doc behaviour of maggots in choice chambers and statistical analysis
maggots.doc sample results and questions for the maggot practical
fieldwork.doc instructions for line transect and stream diversity activities
pH.doc the effect of pH on enzyme activity
duckweed.xls results from U6 duckweed experiment (probably not much use to anyone not in my group!)

Teachers: if you are going to carry out any practicals you should do your own risk assessment first.

Students: should seek advice from their teachers before carrying out any practical work.