Cell Homeostasis Virtual Lab Recap

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

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

Tags

NGSS.HS-LS1-3

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

Water flows into and out of cells.

• true

• false

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

Tags

NGSS.HS-LS1-3

If the percent concentration is equal both inside and outside a cell, water does not move into or out of the cell.

• true

• false

If the percent concentration is greater in the fluid inside a cell than outside a cell, water will flow into the cell.

• true

• false

Tags

NGSS.HS-LS1-3

What does the dialysis tubing represent?

• A plant

• A single cell

• A balloon

• Nothing, it is just dialysis tubing.

Which of the tubes had little to no change in mass?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-7

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

Tags

NGSS.MS-ETS1-1