Cell Membrane

Cell Membrane

Assessment

Flashcard

Biology

7th - 9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the primary function of the cell membrane?

Back

The cell membrane controls what goes in and out of the cell.

2.

FLASHCARD QUESTION

Front

What does the term 'selectively permeable' mean in relation to the cell membrane?

Back

It means that some substances can pass through the cell membrane while others cannot.

3.

FLASHCARD QUESTION

Front

What is the structure of a phospholipid?

Back

A phospholipid consists of a hydrophilic (water-attracting) phosphate head and two hydrophobic (water-repelling) fatty acid tails.

4.

FLASHCARD QUESTION

Front

What does the term 'fluid mosaic model' refer to?

Back

The fluid mosaic model describes the cell membrane as a flexible structure with various proteins embedded in or attached to a double layer of phospholipids.

5.

FLASHCARD QUESTION

Front

What role do proteins play in the cell membrane?

Back

Proteins in the cell membrane assist in transport, act as receptors, and provide structural support.

6.

FLASHCARD QUESTION

Front

What are carbohydrates' function in the cell membrane?

Back

Carbohydrates on the cell membrane help in cell recognition and communication.

7.

FLASHCARD QUESTION

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol helps to stabilize the cell membrane's fluidity and structure.

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