14 Questions
The main function of the plasma membrane is to:
Separate the living cell from their non-living surroundings
What is the primary role of glycoproteins in the plasma membrane?
Assist in cell recognition and act as receptors and antigens
Which component in the plasma membrane allows only certain substances to diffuse through?
Phospholipid bilayer
What is the role of transport proteins in the plasma membrane?
Help in transporting molecules across cell membranes through facilitated diffusion
What is the amphipathic nature of the plasma membrane associated with?
Containing both hydrophilic heads and hydrophobic tails
Which component in the plasma membrane helps maintain the fluidity of the cell surface membrane?
Cholesterol
What is the main role of cell membrane receptor proteins in the plasma membrane?
Help in communication of a cell with their external environment with the help of hormones, neurotransmitters, and other signaling molecules
What is the role of glycolipids in the plasma membrane?
Attached to phospholipids along with sugar chains
What is the primary function of glycolipids in the plasma membrane?
Act as receptors and antigens for cell recognition
How do transport proteins in the plasma membrane facilitate the movement of molecules?
Through facilitated diffusion
What is the role of cholesterol in the plasma membrane?
To maintain the fluidity of the cell surface membrane
What is the main function of the phospholipid bilayer in the plasma membrane?
To allow only certain substances to diffuse through the membrane
What is the primary role of cell membrane receptor proteins in the plasma membrane?
To help in communication of a cell with their external environment
Why are glycoproteins important in the plasma membrane?
To help in communication of a cell with their external environment
Test your knowledge of the structure and components of the plasma membrane, which separates the living cell from their non-living surroundings. Explore the phospholipid bilayer, amphipathic nature, fluid mosaic composition, and the main components such as glycoproteins and glycolipids.
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