Dandelion stem The cells on the outer edge of the dandelion strip have a waxy waterproof layer.
The table shows the
students' drawings of the strips of dandelion stem.
Concentration of
sugar solution in
mol/dm3
Appearance of
dandelion strip
at start
Appearance of
dandelion strip
after 1 hour
00
0.2
Inner edge
dolion
0.4
>
)
( l
C
Outer edge
of the
dandelion
stem
0.6
0.8
(b) Explain the result for the 0.2 mol/dmø sugar solution.
No