Multiple Choice
Which of the following factors influence cell membrane permeability?
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6. The Membrane
Biological Membranes
Multiple Choice
Which of the following are components of the fluid mosaic model of the cell membrane?
A
Phospholipids and proteins
B
DNA and RNA
C
Cholesterol and nucleotides
D
Cellulose and starch
Verified step by step guidance1
Understand the fluid mosaic model: The fluid mosaic model describes the structure of cell membranes. It suggests that the membrane is a fluid combination of lipids, proteins, and carbohydrates.
Identify the main components: The primary components of the cell membrane according to the fluid mosaic model are phospholipids, proteins, and cholesterol.
Phospholipids: These form a bilayer that provides the basic structure of the membrane, with hydrophilic heads facing outward and hydrophobic tails facing inward.
Proteins: These are embedded within the phospholipid bilayer and can either span the membrane or be attached to its surface, playing roles in transport, communication, and structural support.
Cholesterol: This component is interspersed within the phospholipid bilayer, contributing to membrane fluidity and stability.
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