Edexcel Gcse Biology/additional Science - Unit B2 The Components Of Life Page 22
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USING VISKING TUBING
5
Visking tubing is made of a plastic material through
which small molecules can pass.
The diagram shows how the equipment for an
investigation using visking tubing was set up.
glass rod
threads
visking tubing
tightly tied
solution containing
at the
starch and amylase
two ends
distilled water
beaker
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