Question

Explain experiment done by T.W Engelmann

Answer 1

Answer:

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T.W Engelmann was a psychologist.

Engelmann observed the movement of bacteria towards the chloroplasts in a strand of Spirogyra algae.

Engelmann hypothesized that the bacteria were moving in response to oxygen generated by the photosynthetically active chloroplasts in the algae.

The pigment molecules in photosynthetic organisms absorb specific wavelengths of light

Engelmann shows with the help of prism

these bacteria move to different regions on the Chloroplasts that produce varying amounts of Oxygen from Photosynthesis. This was the first observation of an Aerobic bacteria that needed oxygen .

Answer 2

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