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photosynthesis experiments

Mary Ritke mritke at bio104.alleg.edu
Wed Jul 19 14:18:54 EST 1995

Hello netters

I am trying to design an experimental component to a cell bio lab exercise  
that uses the "Hill Reaction" to measure photosynthetic activity in  
spinach chloroplasts.  Aside from using different light intensities and  
colors are there any other ideas you have that are suitable for sophomores  
in intro cell bio? I find that my students do not enjoy this exercise very  
much. I was told that there are herbicide resistant plants "out there"  
that we could use to compare rate of photosynthesis in chloroplasts from  
resistant and sensitive plants grown in the presence and absence of say  
atrazine.  But when I called Monsanto, they said those plants were not  
available yet.    Because I am a "animal cell biologist" and  
pharmacologist, I am having difficulty thinking of a way to make this more  
interesting for them.  Please reply to me at:

MRITKE at alleg.edu

Thank you!!

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