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Membrane Structure and Function Quiz

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Questions and Answers

What is the main function of the plasma membrane?

To synthesize proteins for the cell

To provide structural support to the cell

To regulate the movement of nutrients within the cell

To separate the internal cytoplasm from the external environment of the cell (correct)

What is the composition of the phospholipid bilayer in the plasma membrane?

Nonpolar, hydrophobic, fatty-acid tails sandwiched between polar, hydrophilic heads (correct)

Polar, hydrophobic, fatty-acid tails sandwiched between nonpolar, hydrophilic heads

Nonpolar, hydrophilic, fatty-acid tails sandwiched between polar, hydrophobic heads

Polar, hydrophilic, fatty-acid tails sandwiched between nonpolar, hydrophobic heads

Where are integral proteins found in the plasma membrane?

Floating around like icebergs on a sea

Attached to the external environment of the cell

Embedded within the membrane structure (correct)

Only on the inner membrane surface

What is the role of peripheral proteins in the plasma membrane?

Found on the inner membrane surface Signup and view all the answers

Which statement best describes the function of the plasma membrane?

Regulating the transport of substances in and out of the cell Signup and view all the answers

What is the main function of the plasma membrane?

Separating the internal cytoplasm from the external environment of the cell Signup and view all the answers

Which component of the plasma membrane has nonpolar, hydrophobic, fatty-acid tails sandwiched in between?

Phospholipid bilayer Signup and view all the answers

Where are peripheral proteins found in the plasma membrane?

On the inner membrane surface Signup and view all the answers

Which type of proteins in the plasma membrane float around like icebergs on a sea?

Integral proteins Signup and view all the answers

What is the role of integral proteins in the plasma membrane?

Transporting molecules across the membrane Signup and view all the answers

Membrane Structure and Function Quiz

Choose a study mode

Podcast

Questions and Answers

What is the main function of the plasma membrane?

What is the composition of the phospholipid bilayer in the plasma membrane?

Where are integral proteins found in the plasma membrane?

What is the role of peripheral proteins in the plasma membrane?

Which statement best describes the function of the plasma membrane?

What is the main function of the plasma membrane?

Which component of the plasma membrane has nonpolar, hydrophobic, fatty-acid tails sandwiched in between?

Where are peripheral proteins found in the plasma membrane?

Which type of proteins in the plasma membrane float around like icebergs on a sea?

What is the role of integral proteins in the plasma membrane?

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