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Cell Membrane Structure Quiz

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Questions and Answers

Which of the following is true about the cell membrane?

It consists of a single layer of phospholipids.

It does not contain any membrane proteins.

It contains cholesterols interspersed between phospholipids. (correct)

It is impermeable to ions and organic molecules.

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

They serve as membrane transporters. (correct)

They facilitate interaction with the cell's environment.

They loosely attach to the outer side of the cell membrane.

They control the movement of substances in and out of a cell.

Which component of the cell membrane helps maintain appropriate membrane fluidity?

Cholesterols (correct)

Integral proteins

Peripheral proteins

Glycolipids

What is the function of peripheral proteins in the cell membrane?

They facilitate interaction with the cell's environment. Signup and view all the answers

What is the role of glycolipids in the cell membrane?

They maintain appropriate membrane fluidity. Signup and view all the answers

Which type of active transport uses ATP as a source of energy?

Primary active transport Signup and view all the answers

What is the main difference between active transport and passive transport?

Active transport requires cellular energy, while passive transport does not Signup and view all the answers

What are the two types of active transport mentioned in the text?

Primary active transport and secondary active transport Signup and view all the answers

Which physiological processes rely on active transport?

Nutrient uptake, hormone secretion, and nerve impulse transmission Signup and view all the answers

What is the role of the sodium-potassium pump in active transport?

To pump sodium ions out of the cell and potassium ions into the cell Signup and view all the answers

Cell Membrane Structure Quiz

Choose a study mode

Podcast

Questions and Answers

Which of the following is true about the cell membrane?

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

Which component of the cell membrane helps maintain appropriate membrane fluidity?

What is the function of peripheral proteins in the cell membrane?

What is the role of glycolipids in the cell membrane?

Which type of active transport uses ATP as a source of energy?

What is the main difference between active transport and passive transport?

What are the two types of active transport mentioned in the text?

Which physiological processes rely on active transport?

What is the role of the sodium-potassium pump in active transport?

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