Bio: Cell Transport Practice Test

Bio: Cell Transport Practice Test

Assessment

Flashcard

Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a channel protein?

Back

A type of protein that allows specific molecules to pass through the cell membrane, facilitating transport across the membrane.

2.

FLASHCARD QUESTION

Front

What is osmosis?

Back

The movement of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

3.

FLASHCARD QUESTION

Front

Define diffusion.

Back

The movement of molecules from an area of higher concentration to an area of lower concentration until equilibrium is reached.

4.

FLASHCARD QUESTION

Front

What is passive transport?

Back

The movement of substances across a cell membrane without the use of energy, relying on concentration gradients.

5.

FLASHCARD QUESTION

Front

What happens to a plant cell in salt water?

Back

It shrivels because water diffuses out of the cell due to the higher concentration of solutes in the salt water.

6.

FLASHCARD QUESTION

Front

What is exocytosis?

Back

The process by which a cell expels materials in vesicles that fuse with the cell membrane, releasing their contents outside the cell.

7.

FLASHCARD QUESTION

Front

What is facilitated diffusion?

Back

A type of passive transport that uses channel or carrier proteins to help move molecules across the cell membrane.

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