Homeostasis and Cell Transport Quiz

Passive transport is the movement of molecules across the cell membrane without the use of energy. True or False?

• False

• True

• Maybe

• Not sure

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Give an example of passive transport in cells.

• Diffusion

• Exocytosis

• Endocytosis

• Active transport

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Active transport requires energy to move molecules across the cell membrane. True or False?

• False

• Only on weekends

• Maybe

• True

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What is the main difference between active and passive transport?

• Active transport requires more cells, while passive transport requires fewer cells.

• Active transport only occurs in plant cells, while passive transport only occurs in animal cells.

• Active transport requires energy, while passive transport does not.

• Active transport moves substances from a lower to a higher concentration, while passive transport moves substances from a higher to a lower concentration.

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Explain the process of osmosis with an example.

• Osmosis only occurs in animal cells, not plant cells.

• When a plant cell is placed in a hypertonic solution, water will move out of the cell, causing it to shrink and wilt.

• When a plant cell is placed in a hypotonic solution, water will move into the cell, causing it to shrink and wilt.

• Osmosis is the movement of water from an area of low concentration to an area of high concentration.

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Diffusion is the movement of molecules from an area of low concentration to an area of high concentration. True or False?

• True

• Depends on the type of molecules

• False

• Sometimes true, sometimes false

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How does temperature affect the rate of diffusion?

• Temperature decreases the rate of diffusion.

• Temperature only affects the color of the substance, not the rate of diffusion.

• Temperature increases the rate of diffusion.

• Temperature has no effect on the rate of diffusion.

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Facilitated diffusion uses transport proteins to move molecules across the cell membrane. True or False?

• False

• Not sure

• Maybe

• True

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What are the similarities and differences between facilitated diffusion and active transport?

• Facilitated diffusion does not require energy, while active transport does.

• Facilitated diffusion and active transport both involve the movement of water molecules

• Facilitated diffusion and active transport both move substances against the concentration gradient

• Facilitated diffusion and active transport both require energy

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What happens to a cell in a hypotonic solution?

• The cell shrinks as water moves out of the cell.

• The cell swells as water moves into the cell.

• The cell remains the same as water does not move.

• The cell divides as water moves in and out of the cell.

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