Diffusion & Osmosis Lab Quiz

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10/07

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8 Terms

1

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Large molecules diffuse — as small molecules

slower than

2

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The rate of diffusion — with increasing temperature

Increases

3

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Which of the following would be expected to pass through a cellulose dialysis membrane:

Chloride Ions

Congo Red

Hydrogen ions

High Molecular weight DNA

Water

Water, Hydrogen ions, and Chloride Ions

4

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Sulfate Ions react with — to yield a precipitate

Barium

Chloride

Sodium ions

Barium

5

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Bradford’s Reagent is used to test for:

Chloride

Silver

Starch

Protein

6

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Chloride Ions react with — to yield a precipitate:

Barium

Nitrate

Silver Ions

7

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Iodine is used to test for:

Chloride

Sulfate

Protein

Starch

8

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The plasma membrane of an Elodea leaf cell is — to water:

Very permeable

Impermeable

Very permeable