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**The Cell Membrane and Transport**

**The Cell Membrane and Transport**

Assessment

Flashcard

Biology

10th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the function of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell, providing protection and structural support.

2.

FLASHCARD QUESTION

Front

Define passive transport.

Back

Passive transport is the movement of substances across a cell membrane without the use of energy, typically along a concentration gradient.

3.

FLASHCARD QUESTION

Front

What is active transport?

Back

Active transport is the process of moving substances against their concentration gradient, requiring energy (usually from ATP).

4.

FLASHCARD QUESTION

Front

Explain the term 'hypotonic solution'.

Back

A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, causing the cell to swell and potentially burst.

5.

FLASHCARD QUESTION

Front

What happens to cells in a hypertonic solution?

Back

Cells placed in a hypertonic solution will lose water and shrink due to the higher concentration of solutes outside the cell.

6.

FLASHCARD QUESTION

Front

What is the role of membrane proteins?

Back

Membrane proteins assist in transporting substances across the cell membrane and play roles in communication and signaling.

7.

FLASHCARD QUESTION

Front

Define diffusion.

Back

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

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