Cell Transport: Facilitated Diffusion and Osmosis

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Which process involves the movement of substances out of the cell?

Exocytosis (correct)

Endocytosis

Pinocytosis

Phagocytosis

What is the main energy currency used by cells to power their functions?

ADP

DNA

ATP (correct)

RNA

In which type of endocytosis does the cell engulf and digest particles?

Exocytosis

Pinocytosis

Receptor-mediated endocytosis

Phagocytosis (correct)

Which transport mechanism is considered passive and does not require energy input?

Facilitated diffusion Signup and view all the answers

Which process involves the movement of substances into the cell?

Endocytosis Signup and view all the answers

Which process requires additional energy for substances to move from lower to higher concentration?

Active transport Signup and view all the answers

Which type of molecules can easily move between phospholipids through simple diffusion?

Small, hydrophobic molecules Signup and view all the answers

What type of transport is independent of concentration gradients and requires additional energy?

Bulk transport Signup and view all the answers

In which process does the cell expend additional energy to move substances down their concentration gradient?

Endocytosis Signup and view all the answers

What is the main difference between passive transport and facilitated diffusion?

Energy requirement Signup and view all the answers

Which type of transport involves substances moving from high to low concentration without the need for additional energy?

Facilitated diffusion Signup and view all the answers

What is the main difference between facilitated diffusion and simple diffusion?

Facilitated diffusion requires assistance from specific transport proteins, while simple diffusion does not. Signup and view all the answers

In an isotonic environment, why does a cell experience no net gain or loss of water?

The water concentration is the same on both sides of the membrane. Signup and view all the answers

Which process involves the movement of macromolecules that are too large to be transported by proteins?

Endocytosis Signup and view all the answers

What happens to plant cells in a hypotonic environment?

They maintain turgidity by gaining water. Signup and view all the answers

How do molecules move in active transport compared to passive transport?

Active transport requires energy to move molecules against the gradient; passive transport does not. Signup and view all the answers

What distinguishes exocytosis from endocytosis?

Exocytosis involves the release of substances outside the cell; endocytosis brings substances into the cell. Signup and view all the answers

Cell Transport: Facilitated Diffusion and Osmosis

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Questions and Answers

Which process involves the movement of substances out of the cell?

What is the main energy currency used by cells to power their functions?

In which type of endocytosis does the cell engulf and digest particles?

Which transport mechanism is considered passive and does not require energy input?

Which process involves the movement of substances into the cell?

Which process requires additional energy for substances to move from lower to higher concentration?

Which type of molecules can easily move between phospholipids through simple diffusion?

What type of transport is independent of concentration gradients and requires additional energy?

In which process does the cell expend additional energy to move substances down their concentration gradient?

What is the main difference between passive transport and facilitated diffusion?

Which type of transport involves substances moving from high to low concentration without the need for additional energy?

What is the main difference between facilitated diffusion and simple diffusion?

In an isotonic environment, why does a cell experience no net gain or loss of water?

Which process involves the movement of macromolecules that are too large to be transported by proteins?

What happens to plant cells in a hypotonic environment?

How do molecules move in active transport compared to passive transport?

What distinguishes exocytosis from endocytosis?

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