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- 1. Multiple Choice
Which of the following variables are constants in the Cell Homeostasis Virtual Lab?
The mass of the sugar
The amount of time the dialysis tubes were soaked
The amount of water in the beakers
The percent concentration of sugar in beakers B-E
The type of solute
- 2. Multiple Choice
Which variable in the Cell Homeostasis Virtual Lab is independent?
The change of mass of the dialysis tubes
The amount of time the dialysis tubes were soaked
The number of beakers in the experiment
The change in the percent concentration of dissolved sugar
- 3. Multiple Choice
Which piece of lab equipment listed below is most accurate when used to measure the volume of a liquid?
beaker
scale
graduated cylinder
petri dish
- 4. Multiple Choice
Water flows into and out of cells.
true
false
- 5. Multiple Choice
If the percent concentration is greater in the fluid outside a cell than inside a cell, water will flow out of the cell.
true
false
- 6. Multiple Choice
If the percent concentration is equal both inside and outside a cell, water does not move into or out of the cell.
true
false
- 7. Multiple Choice
If the percent concentration is greater in the fluid inside a cell than outside a cell, water will flow into the cell.
true
false
- 8. Multiple Choice
What does the dialysis tubing represent?
A plant
A single cell
A balloon
Nothing, it is just dialysis tubing.
- 9. Multiple Choice
Which of the tubes had little to no change in mass?
A
B
C
D
E
- 10. Multiple Choice
Why was pure water used as the control group?
the control group provides a standard for comparison against the experimental group
the control group represents a real cell because real cells contain water
the control group was not necessary
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