Cell Wall: Structure & Functions

What is the importance of the primary wall?

• It provides strength to the cell, which lends mechanical support and protection to the plant body, and enables them to function as channels for transporting water.

• It serves as a cementing layer between the primary walls of adjacent cells.

• It allows for cell wall expansion during growth.

What is the importance of the secondary wall?

• It provides strength to the cell, which lends mechanical support and protection to the plant body, and enables them to function as channels for transporting water.

• It serves as a cementing layer between the primary walls of adjacent cells.

• It allows for cell wall expansion during growth.

What is the importance of the middle lamella?

• It provides strength to the cell, which lends mechanical support and protection to the plant body, and enables them to function as channels for transporting water.

• It serves as a cementing layer between the primary walls of adjacent cells.

• It allows for cell wall expansion during growth.

Plant cells contain a cell wall.

• True.

• False.

What is the most important layer of the cell wall?

• Primary wall.

• Secondary wall.

• Cell membrane.

• Middle lamella.

Animal cells contain a cell wall.

• True.

• False.

Without a cell wall, a plant would be unable to hold its shape, resulting in it __________.

List the 5 different functions of the cell wall.

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Label the cell wall layers.

Tags

NGSS.MS-LS1-2

Choice A: Left (blue).
Choice B: Right (green).

Which cell is a plant cell? Select Choice A or Choice B. Explain why you chose your answer.

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NGSS.MS-LS1-2