Podcast Beta
Questions and Answers
Which of these macromolecules is NOT commonly found in the plasma membrane?
Plasma membrane proteins that move ions in and out of cells using active transport are called
If a phospholipid is located in the outer layer of the bilayer in a vesicle, where will it end up when the vesicle fuses with the plasma membrane?
The fluidity of a membrane is increased by
Signup and view all the answers
A cell membrane made up primarily of lipids with which characteristics would be the least fluid (i.e., most stiff)?
Signup and view all the answers
Where are new phospholipids made?
Signup and view all the answers
Detergent molecules are ___________ in nature and bind with membrane proteins and membrane lipids to disrupt their interactions and release the proteins from the membrane.
Signup and view all the answers
In a fluorescence recovery after photobleaching (FRAP) experiment, a fluorescently tagged membrane protein, A, shows very little recovery of fluorescence ten minutes after photobleaching, while membrane protein B shows a rapid increase in fluorescence after bleaching, recovering nearly 80% of its original fluorescent signal by ten minutes. Based on this information, which of the following statements can be made?
Signup and view all the answers
Which type of movement is the least common for lipids in a bilayer?
Signup and view all the answers
How is the protein shown in the diagram associated with the plasma membrane?
Signup and view all the answers