Question

What roles do membranes play in a cell?

What are cell membranes composed of?

What is a lipid? What are some examples of lipids? What does amphipathic mean?

What are the structure properties of triacylglycerols and steroids?

What are the structural properties of phospholipid and detergents? What arrangements do phospholipids, detergents, and a combination of phospholipids and detergents tend to take in solution?

What type of movements phospholipids undergo in a membrane? What type of movements do they not do?

What determines membrane fluidity?

Where are membranes formed in the cell? How is membrane asymmetry created and maintained? What are flippases and scramblases? Where do they function?

What is the spatial arrangement of a membrane during transport?

What are the different classifications of membrane proteins and what secondary structures are commonly found in transmembrane proteins?

What is the cell cortex?

What are membrane domains? What are different ways of establishing them?

What is FRAP? How does it work?

What is the carbohydrate layer? What are its functions? What is a lectin?