AnswersS1S Biology A E4403 - AGAnimal and Plant Cells

Cellular Interactions with the Environment Answers

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1
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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?

A
It will release water and shrivel.
B
It will release water and burst.
C
It will take in water and shrivel.
D
It will take in water and burst.
2
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Which statement describes the movement of water when a cell swells and bursts due to osmosis?

A
Water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell.
B
Water went out of the cell because the concentration of water inside the cell was higher than the concentration outside the cell.
C
The cell membrane used energy to move water into the cell because there was not enough water inside the cell
D
The cell membrane used energy to move water out of the cell because there was too much water inside the cell
3

Which best models osmosis?

A
water inside a rubber balloon
B
an ice cube melting into a puddle
C
water dripping through a coffee filter
D
water freezing into an ice cube
4

The image shows particles of salt dissolved in water.

Question illustration
A
Salt particles will move toward the left through diffusion.
B
Salt particles will move toward the left through osmosis.
C
Salt particles will move toward the right through diffusion.
D
Salt particles will move toward the right through osmosis.
5

Which statement describes how diffusion works?

A
Molecules always move from inside of the cell to outside of the cell.
B
Molecules always move from areas of high concentration to low concentration.
C
Molecules always move from areas of low concentration to high concentration.
D
Molecules always move from of outside the cell to inside of the cell.
6

Which process moves molecules and has these traits?–requires no energy–moves from high concentration to low concentration–moves from uneven distribution to even distribution–can occur when there is no membrane

A
scattering
B
diffusion
C
osmosis
D
dissolving
7

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?

A
cell W
B
cell X
C
cell Y
D
cell Z
8

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?

A
cells W and Z
B
cell W only
C
cell Y only
D
cells X and Y
9

The picture shows molecules on one side of a permeable membrane.

Question illustration
A
There will be more molecules on the right side than the left side of the membrane.
B
All the molecules will be on the right side of the membrane.
C
There will be more molecules on the left side than the right side of the membrane.
D
There will be an equal number of molecules on each side of the membrane.
10

Which substance moves by the process of osmosis?

A
oxygen
B
DNA
C
water
D
carbon dioxide
11

The image on the left shows a normal red blood cell, and the image on the right shows a cell that has been put into a new solution. The circles represent the salt in the solutions.

Question illustration
A
The cell membrane uses energy to move water into the cell from low water concentration to high water concentration.
B
The water molecules move by osmosis into the cell from low water concentration to high water concentration.
C
The water molecules move by osmosis into the cell from high water concentration to low water concentration.
D
The cell membrane uses energy to move water out of the cell from low water concentration to high water concentration.
12

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?

A
adding more water to the container
B
adding more salt to the container
C
increasing the number of cells in the container
D
decreasing the number of cells in the container
13

nosomelots of

A
no
B
some
C
lots of
14

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.

A
Molecules move from high concentrations to low concentrations.
B
Molecules move from inside of the cell to outside of the cell.
C
Diffusion requires proteins in the cell membrane.
D
Molecules are evenly distributed at the end of the process.
E
Diffusion requires energy.

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