Name ___________________________

Date ________

Teacher __________________ Period ________ Cell Membrane and Transport

State Lab: Diffusion Through a Membrane WINK Sheet Molecule

Size (large/small)

Can diffuse (yes/no)

Glucose Starch Iodine Type of Transport

The cell membrane, which is made of a _______________________________, is ________________________________, which means that it only allows certain materials to pass through it.

Direction of Molecular Movement

Use of ATP (yes/no)

Passive (Diffusion/Osmosis) Active Transport Indicator Iodine Benedict’s Label S, I, G, and color of cell and cup water

Tests for

Before

Neg. Color

Pos. Color

Heat? (y/n)

After

The diagrams below represent onion cells in two different solutions. Label the cell wall, cell membrane, and cytoplasm in each diagram. Diagram A Diagram B

Diagram

Type of Solution Does water diffuse into or out of the cell? Does the cell swell or shrivel?

State Lab: Diffusion Through a Membrane WINK Sheet

The cell membrane, which is made of a. , is. , which means that it only allows certain materials to pass through it. Glucose. Starch. Iodine. Type of Transport. Direction of. Molecular Movement. Use of ATP. (yes/no). Passive (Diffusion/Osmosis). Active Transport. Indicator. Tests for. Neg. Color Pos. Color Heat? (y/n). Iodine.

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