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Cell Membrane Structure and Function

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Questions and Answers

What primary structural component of the cell membrane contributes to its fluidity?

Carbohydrates

Proteins

Cholesterol

Phospholipids (correct)

Which component of the cell membrane is primarily responsible for selective permeability?

Glycoproteins

Sterols

Phospholipid bilayer

Protein channels (correct)

How does the presence of cholesterol within the cell membrane affect its properties?

Enhances membrane fluidity at low temperatures (correct)

Completely prevents the diffusion of proteins

Increases membrane rigidity

Decreases the membrane permeability to water

Carbohydrates attached to proteins in the cell membrane primarily function to:

<p>Act as recognition sites for cell communication</p> Signup and view all the answers

What is the significance of the amphipathic nature of phospholipids in the cell membrane?

<p>It allows phospholipids to form bilayers with hydrophobic interiors.</p> Signup and view all the answers

Cell Membrane Structure and Function

Choose a study mode

Podcast

Questions and Answers

What primary structural component of the cell membrane contributes to its fluidity?

Which component of the cell membrane is primarily responsible for selective permeability?

How does the presence of cholesterol within the cell membrane affect its properties?

Carbohydrates attached to proteins in the cell membrane primarily function to:

What is the significance of the amphipathic nature of phospholipids in the cell membrane?

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