Question

analyze states in the glucose
initially, glucose was found only the dialysis tubing.
was taken. that
was found
the dialysis tubing.
inside
outside
both inside and outside
neither inside nor outside

Explanation:

The text clearly states "Initially, glucose was found only", and the context of dialysis tubing implies that substances can move across it over time. But at the start, it indicates glucose is in one - specific location. Since it says "only", and considering the nature of the setup where glucose is being studied in relation to the tubing, it means glucose was initially inside the dialysis tubing.

Answer:

inside