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Chemistry, 17.05.2021 22:00 stophendless9780

Marvin set up an experiment to see if glucose or starch can move across the cell membrane. He used dialysis tubing and put a glucose solution into
the tubing making a cell. He then put the cell into a starch solution. The
next day he tested both solutions with iodine (detects starch) and
Benedict's solution (detects glucose). Look at the table to see his results.
Is glucose or starch able to move across the cell membrane? Use evidence
from the data. Write your response in a complete sentence.
lodine results: lodine starts light brown.
Starting solution Starting solution
inside the cell outside of cell
After overnight
incubation, solution
inside of the cell.
After overnight
incubation solution
outside of the coll
Glucose
Starch
Black
Light brown
Benedict's solution results: Benedict's solution starts clear
Starting solution Starting solution After overight
Inside the cell outside of cell incubation, solution
inside of the cell
After overnight
incubation, solution
outside of the cell
Glucose
Starch
yellow/orango
yellow/orange

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Marvin set up an experiment to see if glucose or starch can move across the cell membrane. He used...

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