11 Questions
What is the primary function of the plasma membrane?
To define the extent of the cell
What is the term for the carbohydrate chains attached to integral proteins?
Glycocalyx
Which type of protein is attached to the membrane surface?
Peripheral proteins
What is the structure of the plasma membrane composed of?
A bilayer of phospholipids with embedded proteins
What is the function of peripheral proteins in the plasma membrane?
To provide support to the plasma membrane from the cytoplasmic side
What is the main characteristic of simple diffusion?
Movement of molecules down their concentration gradient
What is the primary function of facilitated diffusion?
To move molecules down their concentration gradient through an integral protein
What is required for active transport to occur?
ATP as an energy source
What is the term for the diffusion of water molecules across a membrane?
Osmosis
What is the type of transport where molecules move directly through the phospholipid bilayer?
Simple diffusion
What is the purpose of the integral protein in facilitated diffusion?
To enable the passage of a particular solute across the membrane
Learn about the different types of membrane transport, including simple diffusion, osmosis, facilitated diffusion, and active transport. Understand the mechanisms of each type and their role in cellular physiology.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
