Plasma Membrane

Plasma Membrane

Assessment

Flashcard

Biology

9th - 11th Grade

Hard

Created by

Wayground Content

Used 1+ times

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the primary function of the plasma membrane?

Back

The plasma membrane regulates what enters and exits the cell, maintaining homeostasis.

2.

FLASHCARD QUESTION

Front

What are phospholipids?

Back

Phospholipids are molecules that make up the cell membrane, consisting of a hydrophilic (water-attracting) head and two hydrophobic (water-repelling) tails.

3.

FLASHCARD QUESTION

Front

What does 'selectively permeable' mean?

Back

Selectively permeable means that the membrane allows certain substances to pass while blocking others.

4.

FLASHCARD QUESTION

Front

What role do membrane-spanning proteins play in the plasma membrane?

Back

Membrane-spanning proteins assist in transporting specific particles across the membrane.

5.

FLASHCARD QUESTION

Front

What is a channel protein?

Back

A channel protein is an embedded protein in the cell membrane that provides a hydrophilic passageway for small, polar ions.

6.

FLASHCARD QUESTION

Front

What is a carrier protein?

Back

A carrier protein is a type of protein that carries substances from one side of a biological membrane to the other.

7.

FLASHCARD QUESTION

Front

What is the significance of cholesterol in the plasma membrane?

Back

Cholesterol helps to stabilize the structure of the plasma membrane and maintain its fluidity.

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