Answers AISD-Biology A CR - 25-26Cellular Interactions with the Environment

Cellular Interactions with the Environment Answers

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During an experiment, a student moves a cell from pure water to salted water. What will most likely happen to the cell?

It will release water and shrivel.

It will release water and burst.

It will take in water and shrivel.

It will take in water and burst.

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A student places four identical cells into four different liquids.CellDescription of LiquidWSaltier than the cellXLess salty than the cellYEqually as salty as the cellZPure water with no saltsOver time, which cell will look the smallest?

cell W

cell X

cell Y

cell Z

Which statement describes the movement of water when a cell swells and bursts due to osmosis?

Water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell.

Water went out of the cell because the concentration of water inside the cell was higher than the concentration outside the cell.

The cell membrane used energy to move water into the cell because there was not enough water inside the cell

The cell membrane used energy to move water out of the cell because there was too much water inside the cell

Which statements always apply to the process of diffusion? Select two options.Molecules move from high concentrations to low concentrations.Molecules move from inside of the cell to outside of the cell.Diffusion requires proteins in the cell membrane.Molecules are evenly distributed at the end of the process.Diffusion requires energy.

Molecules move from high concentrations to low concentrations.

Molecules move from inside of the cell to outside of the cell.

Diffusion requires proteins in the cell membrane.

Molecules are evenly distributed at the end of the process.

Diffusion requires energy.

Gus is performing an experiment on cells. First he places the cells in a container of water and salt. When he checks some of the cells under a microscope, he sees that they are beginning to shrivel. What would most likely stop the cells in the liquid from shriveling?

adding more water to the container

adding more salt to the container

increasing the number of cells in the container

decreasing the number of cells in the container

Which substance moves by the process of osmosis?

oxygen

DNA

water

carbon dioxide

A scientist put red blood cells in water that contained salt. Over time, the red blood cells burst. What is most likely true?

The concentration of water inside the cell was greater than in the salt water.

There was a higher concentration of salt in the water than in the cells.

There was a lower concentration of salt in the water than in the cells.

The concentration of water in the cells and salt water were equal.

nosomelots of

some

lots of

The image shows particles of salt dissolved in water.

Salt particles will move toward the left through diffusion.

Salt particles will move toward the left through osmosis.

Salt particles will move toward the right through diffusion.

Salt particles will move toward the right through osmosis.

A scientist places four identical cells into four different liquids, each with different concentrations of magnesium.CellDescription of LiquidW Slightly more magnesium than the cellXThe least amount of magnesiumYSlightly less magnesium than the cellZThe most amount of magnesiumWhich cells will likely grow larger over time?

cells W and Z

cell W only

cell Y only

cells X and Y

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Cellular Interactions with the Environment Answers

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