This would be really great to actually have the students DO, instead of
telling them about the experiment. Discovery ... The best way of
learning.
Jim Perry
> -----Original Message-----
> From: owner-plant-ed at hgmp.mrc.ac.uk> [mailto:owner-plant-ed at hgmp.mrc.ac.uk] On Behalf Of Kathleen Archer
> Sent: Tuesday, May 04, 2004 8:20 AM
> To: plant-ed at net.bio.net> Subject: Engelman's experiment
>>> Dear Plant Ed Folks,
> I have been thinking about Engleman's famous experiment with
> Spirogyra,
> where he demonstrated the wavelengths of light that were used by
> photosynthesis. He shined a spectrum of light onto the
> filaments, and then
> recorded where oxygen-seeking bacteria congregated due to
> photosynthetic
> oxygen production. Does anyone know what the bacteria were that he
> used? The sources I've consulted so far don't identify them.
> Kathleen Archer
>> ******************************
> Kathleen Archer
> Dept. Biology
> Trinity College
> Hartford, CT 06106
> Ph: (860)297-2226
>kathleen.archer at mail.trincoll.edu> *******************************
>> ---
>---