16 Questions
Which of the following is NOT a function of the cell membrane?
Providing rigid support and protection to the cell
What is the term used to describe the nature of the phospholipid bilayer in the cell membrane?
Amphipathic
Which of the following is a major constituent of the cell membrane?
Phospholipids
What feature of the cell membrane allows it to provide fluidity to the cell?
Presence of cholesterol molecules
Which statement best describes the role of the cell membrane?
It acts as a barrier between the cell and its environment
What is the main difference between the functions of the cell membrane and the cell wall in plant cells?
The cell membrane regulates water balance, while the cell wall maintains cell shape
What does amphipathic mean?
Having both hydrophobic and hydrophilic parts
What type of cell membrane protein regulates the movement of hydrophilic molecules through the membrane?
Transport protein
What molecules play an important role in controlling cell membrane fluidity?
cholesterol
What is a fluid mosaic model?
Organization of the cell membrane
Which biomolecule is not found in the cell membrane?
nucleic acid
Which of the following is not a characteristic of the cell membrane?
Made up of lipid layer
The proportion of lipids and proteins in the cell membrane is almost always 50:50 or 1:1. This statement is
Incorrect
The molecules that play an important role in controlling cell membrane fluidity is _________.
cholesterol
What type of biomolecule is attached to the external side of the membrane protein?
Carbohydrate
All of the following statement about cell membrane fluidity are correct EXCEPT.
The fluidity of the cell membrane helps maintains its role as a rigid barrier between the inside and outside of the cell environment.
This supplementary learning material is designed to help students master the structural components of the cell membrane. It is adaptable to various learning situations and uses language suitable for diverse vocabulary levels.
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